Authors/Thomas Aquinas/Summa Theologiae/Part IIb/Q64

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IIª-IIae q. 64 pr. Deinde considerandum est de vitiis oppositis commutativae iustitiae. Et primo considerandum est de peccatis quae committuntur circa involuntarias commutationes; secundo, de peccatis quae committuntur circa commutationes voluntarias. Committuntur autem peccata circa involuntarias commutationes per hoc quod aliquod nocumentum proximo infertur contra eius voluntatem, quod quidem potest fieri dupliciter, scilicet facto, et verbo. Facto quidem, cum proximus laeditur vel in persona propria; vel in persona coniuncta; vel in propriis rebus. De his ergo per ordinem considerandum est. Et primo, de homicidio, per quod maxime nocetur proximo. Et circa hoc quaeruntur octo. Primo, utrum occidere animalia bruta, vel etiam plantas, sit peccatum. Secundo, utrum occidere peccatorem sit licitum. Tertio, utrum hoc liceat privatae personae, vel solum publicae. Quarto, utrum hoc liceat clerico. Quinto, utrum liceat alicui occidere seipsum. Sexto, utrum liceat occidere hominem iustum. Septimo, utrum liceat alicui occidere hominem seipsum defendendo. Octavo, utrum homicidium casuale sit peccatum mortale. Question 64. Murder 1. Is it a sin to kill dumb animals or even plants? 2. Is it lawful to kill a sinner? 3. Is this lawful to a private individual, or to a public person only? 4. Is this lawful to a cleric? 5. Is it lawful to kill oneself? 6. Is it lawful to kill a just man? 7. Is it lawful to kill a man in self-defense? 8. Is accidental homicide a mortal sin?
IIª-IIae q. 64 a. 1 arg. 1 Ad primum sic proceditur. Videtur quod occidere quaecumque viventia sit illicitum. Dicit enim apostolus, ad Rom. XIII, qui ordinationi Dei resistit, ipse sibi damnationem acquirit. Sed per ordinationem divinae providentiae omnia viventia conservantur, secundum illud Psalm., qui producit in montibus faenum, et dat iumentis escam ipsorum. Ergo mortificare quaecumque viventia videtur esse illicitum. Objection 1. It would seem unlawful to kill any living thing. For the Apostle says (Romans 13:2): "They that resist the ordinance of God purchase to themselves damnation [Vulgate: 'He that resisteth the power, resisteth the ordinance of God: and they that resist, purchase themselves damnation.']." Now Divine providence has ordained that all living things should be preserved, according to Psalm 146:8-9, "Who maketh grass to grow on the mountains . . . Who giveth to beasts their food." Therefore it seems unlawful to take the life of any living thing.
IIª-IIae q. 64 a. 1 arg. 2 Praeterea, homicidium est peccatum ex eo quod homo privatur vita. Sed vita communis est omnibus animalibus et plantis. Ergo eadem ratione videtur esse peccatum occidere bruta animalia et plantas. Objection 2. Further, murder is a sin because it deprives a man of life. Now life is common to all animals and plants. Hence for the same reason it is apparently a sin to slay dumb animals and plants.
IIª-IIae q. 64 a. 1 arg. 3 Praeterea, in lege divina non determinatur specialis poena nisi peccato. Sed occidenti ovem vel bovem alterius statuitur poena determinata in lege divina, ut patet Exod. XXII. Ergo occisio brutorum animalium est peccatum. Objection 3. Further, in the Divine law a special punishment is not appointed save for a sin. Now a special punishment had to be inflicted, according to the Divine law, on one who killed another man's ox or sheep (Exodus 22:1). Therefore the slaying of dumb animals is a sin.
IIª-IIae q. 64 a. 1 s. c. Sed contra est quod Augustinus dicit, in I de Civ. Dei, cum audimus, non occides, non accipimus hoc dictum esse de fructetis, quia nullus eis est sensus, nec de irrationalibus animalibus, quia nulla nobis ratione sociantur. Restat ergo ut de homine intelligamus quod dictum est, non occides. On the contrary, Augustine says (De Civ. Dei i, 20): "When we hear it said, 'Thou shalt not kill,' we do not take it as referring to trees, for they have no sense, nor to irrational animals, because they have no fellowship with us. Hence it follows that the words, 'Thou shalt not kill' refer to the killing of a man."
IIª-IIae q. 64 a. 1 co. Respondeo dicendum quod nullus peccat ex hoc quod utitur re aliqua ad hoc ad quod est. In rerum autem ordine imperfectiora sunt propter perfectiora, sicut etiam in generationis via natura ab imperfectis ad perfecta procedit. Et inde est quod sicut in generatione hominis prius est vivum, deinde animal, ultimo autem homo; ita etiam ea quae tantum vivunt, ut plantae, sunt communiter propter omnia animalia, et animalia sunt propter hominem. Et ideo si homo utatur plantis ad utilitatem animalium, et animalibus ad utilitatem hominum, non est illicitum, ut etiam per philosophum patet, in I Polit. Inter alios autem usus maxime necessarius esse videtur ut animalia plantis utantur in cibum, et homines animalibus, quod sine mortificatione eorum fieri non potest. Et ideo licitum est et plantas mortificare in usum animalium, et animalia in usum hominum, ex ipsa ordinatione divina, dicitur enim Gen. I, ecce, dedi vobis omnem herbam et universa ligna, ut sint vobis in escam et cunctis animantibus. Et Gen. IX dicitur, omne quod movetur et vivit, erit vobis in cibum. I answer that, There is no sin in using a thing for the purpose for which it is. Now the order of things is such that the imperfect are for the perfect, even as in the process of generation nature proceeds from imperfection to perfection. Hence it is that just as in the generation of a man there is first a living thing, then an animal, and lastly a man, so too things, like the plants, which merely have life, are all alike for animals, and all animals are for man. Wherefore it is not unlawful if man use plants for the good of animals, and animals for the good of man, as the Philosopher states (Polit. i, 3). Now the most necessary use would seem to consist in the fact that animals use plants, and men use animals, for food, and this cannot be done unless these be deprived of life: wherefore it is lawful both to take life from plants for the use of animals, and from animals for the use of men. On fact this is in keeping with the commandment of God Himself: for it is written (Genesis 1:29-30): "Behold I have given you every herb . . . and all trees . . . to be your meat, and to all beasts of the earth": and again (Genesis 9:3): "Everything that moveth and liveth shall be meat to you."
IIª-IIae q. 64 a. 1 ad 1 Ad primum ergo dicendum quod ex ordinatione divina conservatur vita animalium et plantarum non propter seipsam, sed propter hominem. Unde ut Augustinus dicit, in I de Civ. Dei, iustissima ordinatione creatoris et vita et mors eorum nostris usibus subditur. Reply to Objection 1. According to the Divine ordinance the life of animals and plants is preserved not for themselves but for man. Hence, as Augustine says (De Civ. Dei i, 20), "by a most just ordinance of the Creator, both their life and their death are subject to our use."
IIª-IIae q. 64 a. 1 ad 2 Ad secundum dicendum quod animalia bruta et plantae non habent vitam rationalem, per quam a seipsis agantur, sed semper aguntur quasi ab alio, naturali quodam impulsu. Et hoc est signum quod sunt naturaliter serva, et aliorum usibus accommodata. Reply to Objection 2. Dumb animals and plants are devoid of the life of reason whereby to set themselves in motion; they are moved, as it were by another, by a kind of natural impulse, a sign of which is that they are naturally enslaved and accommodated to the uses of others.
IIª-IIae q. 64 a. 1 ad 3 Ad tertium dicendum quod ille qui occidit bovem alterius peccat quidem, non quia occidit bovem, sed quia damnificat hominem in re sua. Unde non continetur sub peccato homicidii, sed sub peccato furti vel rapinae. Reply to Objection 3. He that kills another's ox, sins, not through killing the ox, but through injuring another man in his property. Wherefore this is not a species of the sin of murder but of the sin of theft or robbery.
IIª-IIae q. 64 a. 2 arg. 1 Ad secundum sic proceditur. Videtur quod non sit licitum occidere homines peccatores. Dominus enim, Matth. XIII, in parabola, prohibuit extirpare zizania, qui sunt filii nequam, ut ibidem dicitur. Sed omne quod est prohibitum a Deo est peccatum. Ergo occidere peccatorem est peccatum. Objection 1. It would seem unlawful to kill men who have sinned. For our Lord in the parable (Matthew 13) forbade the uprooting of the cockle which denotes wicked men according to a gloss. Now whatever is forbidden by God is a sin. Therefore it is a sin to kill a sinner.
IIª-IIae q. 64 a. 2 arg. 2 Praeterea, iustitia humana conformatur iustitiae divinae. Sed secundum divinam iustitiam peccatores ad poenitentiam reservantur, secundum illud Ezech. XVIII, nolo mortem peccatoris, sed ut convertatur et vivat. Ergo videtur esse omnino iniustum quod peccatores occidantur. Objection 2. Further, human justice is conformed to Divine justice. Now according to Divine justice sinners are kept back for repentance, according to Ezekiel 33:11, "I desire not the death of the wicked, but that the wicked turn from his way and live." Therefore it seems altogether unjust to kill sinners.
IIª-IIae q. 64 a. 2 arg. 3 Praeterea, illud quod est secundum se malum nullo bono fine fieri licet, ut patet per Augustinum, in libro contra mendacium, et per philosophum, in II Ethic. Sed occidere hominem secundum se est malum, quia ad omnes homines debemus caritatem habere; amicos autem volumus vivere et esse, ut dicitur in IX Ethic. Ergo nullo modo licet hominem peccatorem interficere. Objection 3. Further, it is not lawful, for any good end whatever, to do that which is evil in itself, according to Augustine (Contra Mendac. vii) and the Philosopher (Ethic. ii, 6). Now to kill a man is evil in itself, since we are bound to have charity towards all men, and "we wish our friends to live and to exist," according to Ethic. ix, 4. Therefore it is nowise lawful to kill a man who has sinned.
IIª-IIae q. 64 a. 2 s. c. Sed contra est quod dicitur Exod. XXII, maleficos non patieris vivere; et in Psalm., in matutino interficiebam omnes peccatores terrae. On the contrary, It is written (Exodus 22:18): "Wizards thou shalt not suffer to live"; and (Psalm 100:8): "In the morning I put to death all the wicked of the land."
IIª-IIae q. 64 a. 2 co. Respondeo dicendum quod, sicut dictum est, licitum est occidere animalia bruta inquantum ordinantur naturaliter ad hominum usum, sicut imperfectum ordinatur ad perfectum. Omnis autem pars ordinatur ad totum ut imperfectum ad perfectum. Et ideo omnis pars naturaliter est propter totum. Et propter hoc videmus quod si saluti totius corporis humani expediat praecisio alicuius membri, puta cum est putridum et corruptivum aliorum, laudabiliter et salubriter abscinditur. Quaelibet autem persona singularis comparatur ad totam communitatem sicut pars ad totum. Et ideo si aliquis homo sit periculosus communitati et corruptivus ipsius propter aliquod peccatum, laudabiliter et salubriter occiditur, ut bonum commune conservetur, modicum enim fermentum totam massam corrumpit, ut dicitur I ad Cor. V. I answer that, As stated above (Article 1), it is lawful to kill dumb animals, in so far as they are naturally directed to man's use, as the imperfect is directed to the perfect. Now every part is directed to the whole, as imperfect to perfect, wherefore every part is naturally for the sake of the whole. For this reason we observe that if the health of the whole body demands the excision of a member, through its being decayed or infectious to the other members, it will be both praiseworthy and advantageous to have it cut away. Now every individual person is compared to the whole community, as part to whole. Therefore if a man be dangerous and infectious to the community, on account of some sin, it is praiseworthy and advantageous that he be killed in order to safeguard the common good, since "a little leaven corrupteth the whole lump" (1 Corinthians 5:6).
IIª-IIae q. 64 a. 2 ad 1 Ad primum ergo dicendum quod dominus abstinendum mandavit ab eradicatione zizaniorum ut tritico parceretur, idest bonis. Quod quidem fit quando non possunt occidi mali quin simul occidantur et boni, vel quia latent inter bonos; vel quia habent multos sequaces, ita quod sine bonorum periculo interfici non possunt; ut Augustinus dicit, contra Parmen. Unde dominus docet magis esse sinendum malos vivere, et ultionem reservandum usque ad extremum iudicium, quam quod boni simul occidantur. Quando vero ex occisione malorum non imminet periculum bonis, sed magis tutela et salus, tunc licite possunt mali occidi. Reply to Objection 1. Our Lord commanded them to forbear from uprooting the cockle in order to spare the wheat, i.e. the good. This occurs when the wicked cannot be slain without the good being killed with them, either because the wicked lie hidden among the good, or because they have many followers, so that they cannot be killed without danger to the good, as Augustine says (Contra Parmen. iii, 2). Wherefore our Lord teaches that we should rather allow the wicked to live, and that vengeance is to be delayed until the last judgment, rather than that the good be put to death together with the wicked. When, however, the good incur no danger, but rather are protected and saved by the slaying of the wicked, then the latter may be lawfully put to death.
IIª-IIae q. 64 a. 2 ad 2 Ad secundum dicendum quod Deus, secundum ordinem suae sapientiae, quandoque statim peccatores occidit, ad liberationem bonorum; quandoque autem eis poenitendi tempus concedit; secundum quod ipse novit suis electis expedire. Et hoc etiam humana iustitia imitatur pro posse, illos enim qui sunt perniciosi in alios, occidit; eos vero qui peccant aliis graviter non nocentes, ad poenitentiam reservat. Reply to Objection 2. According to the order of His wisdom, God sometimes slays sinners forthwith in order to deliver the good, whereas sometimes He allows them time to repent, according as He knows what is expedient for His elect. This also does human justice imitate according to its powers; for it puts to death those who are dangerous to others, while it allows time for repentance to those who sin without grievously harming others.
IIª-IIae q. 64 a. 2 ad 3 Ad tertium dicendum quod homo peccando ab ordine rationis recedit, et ideo decidit a dignitate humana, prout scilicet homo est naturaliter liber et propter seipsum existens, et incidit quodammodo in servitutem bestiarum, ut scilicet de ipso ordinetur secundum quod est utile aliis; secundum illud Psalm., homo, cum in honore esset, non intellexit, comparatus est iumentis insipientibus, et similis factus est illis; et Prov. XI dicitur, qui stultus est serviet sapienti. Et ideo quamvis hominem in sua dignitate manentem occidere sit secundum se malum, tamen hominem peccatorem occidere potest esse bonum, sicut occidere bestiam, peior enim est malus homo bestia, et plus nocet, ut philosophus dicit, in I Polit. et in VII Ethic. Reply to Objection 3. By sinning man departs from the order of reason, and consequently falls away from the dignity of his manhood, in so far as he is naturally free, and exists for himself, and he falls into the slavish state of the beasts, by being disposed of according as he is useful to others. This is expressed in Psalm 48:21: "Man, when he was in honor, did not understand; he hath been compared to senseless beasts, and made like to them," and Proverbs 11:29: "The fool shall serve the wise." Hence, although it be evil in itself to kill a man so long as he preserve his dignity, yet it may be good to kill a man who has sinned, even as it is to kill a beast. For a bad man is worse than a beast, and is more harmful, as the Philosopher states (Polit. i, 1 and Ethic. vii, 6).
IIª-IIae q. 64 a. 3 arg. 1 Ad tertium sic proceditur. Videtur quod occidere hominem peccatorem liceat privatae personae. In lege enim divina nihil illicitum mandatur. Sed Exod. XXXII praecepit Moyses, occidat unusquisque proximum suum, fratrem et amicum suum, pro peccato vituli conflatilis. Ergo etiam privatis personis licet peccatorem occidere. Objection 1. It would seem lawful for a private individual to kill a man who has sinned. For nothing unlawful is commanded in the Divine law. Yet, on account of the sin of the molten calf, Moses commanded (Exodus 32:27): "Let every man kill his brother, and friend, and neighbor." Therefore it is lawful for private individuals to kill a sinner.
IIª-IIae q. 64 a. 3 arg. 2 Praeterea, homo propter peccatum bestiis comparatur, ut dictum est. Sed occidere bestiam sylvestrem, maxime nocentem, cuilibet privatae personae licet. Ergo, pari ratione, occidere hominem peccatorem. Objection 2. Further, as stated above (2, ad 3), man, on account of sin, is compared to the beasts. Now it is lawful for any private individual to kill a wild beast, especially if it be harmful. Therefore for the same reason, it is lawful for any private individual to kill a man who has sinned.
IIª-IIae q. 64 a. 3 arg. 3 Praeterea, laudabile est quod homo, etiam si sit privata persona, operetur quod est utile bono communi. Sed occisio maleficorum est utilis bono communi, ut dictum est. Ergo laudabile est si etiam privatae personae malefactores occidant. Objection 3. Further, a man, though a private individual, deserves praise for doing what is useful for the common good. Now the slaying of evildoers is useful for the common good, as stated above (Article 2). Therefore it is deserving of praise if even private individuals kill evil-doers.
IIª-IIae q. 64 a. 3 s. c. Sed contra est quod Augustinus dicit, in I de Civ. Dei, qui sine aliqua publica administratione maleficum interfecerit, velut homicida iudicabitur, et tanto amplius quanto sibi potestatem a Deo non concessam usurpare non timuit. On the contrary, Augustine says (De Civ. Dei i) [Can. Quicumque percutit, caus. xxiii, qu. 8: "A man who, without exercising public authority, kills an evil-doer, shall be judged guilty of murder, and all the more, since he has dared to usurp a power which God has not given him."
IIª-IIae q. 64 a. 3 co. Respondeo dicendum quod, sicut dictum est, occidere malefactorem licitum est inquantum ordinatur ad salutem totius communitatis. Et ideo ad illum solum pertinet cui committitur cura communitatis conservandae, sicut ad medicum pertinet praecidere membrum putridum quando ei commissa fuerit cura salutis totius corporis. Cura autem communis boni commissa est principibus habentibus publicam auctoritatem. Et ideo eis solum licet malefactores occidere, non autem privatis personis. I answer that, As stated above (Article 2), it is lawful to kill an evildoer in so far as it is directed to the welfare of the whole community, so that it belongs to him alone who has charge of the community's welfare. Thus it belongs to a physician to cut off a decayed limb, when he has been entrusted with the care of the health of the whole body. Now the care of the common good is entrusted to persons of rank having public authority: wherefore they alone, and not private individuals, can lawfully put evildoers to death.
IIª-IIae q. 64 a. 3 ad 1 Ad primum ergo dicendum quod ille aliquid facit cuius auctoritate fit, ut patet per Dionysium, XIII cap. Cael. Hier. Et ideo, ut Augustinus dicit, in I de Civ. Dei, non ipse occidit qui ministerium debet iubenti sicut adminiculum gladius utenti. Unde illi qui occiderunt proximos et amicos ex mandato domini, non hoc fecisse ipsi videntur, sed potius ille cuius auctoritate fecerunt, sicut et miles interficit hostem auctoritate principis, et minister latronem auctoritate iudicis. Reply to Objection 1. The person by whose authority a thing is done really does the thing as Dionysius declares (Coel. Hier. iii). Hence according to Augustine (De Civ. Dei i, 21), "He slays not who owes his service to one who commands him, even as a sword is merely the instrument to him that wields it." Wherefore those who, at the Lord's command, slew their neighbors and friends, would seem not to have done this themselves, but rather He by whose authority they acted thus: just as a soldier slays the foe by the authority of his sovereign, and the executioner slays the robber by the authority of the judge.
IIª-IIae q. 64 a. 3 ad 2 Ad secundum dicendum quod bestia naturaliter est distincta ab homine. Unde super hoc non requiritur aliquod iudicium an sit occidenda, si sit sylvestris. Si vero sit domestica, requiretur iudicium non propter ipsam, sed propter damnum domini. Sed homo peccator non est naturaliter distinctus ab hominibus iustis. Et ideo indiget publico iudicio, ut discernatur an sit occidendus propter communem salutem. Reply to Objection 2. A beast is by nature distinct from man, wherefore in the case of a wild beast there is no need for an authority to kill it; whereas, in the case of domestic animals, such authority is required, not for their sake, but on account of the owner's loss. On the other hand a man who has sinned is not by nature distinct from good men; hence a public authority is requisite in order to condemn him to death for the common good.
IIª-IIae q. 64 a. 3 ad 3 Ad tertium dicendum quod facere aliquid ad utilitatem communem quod nulli nocet, hoc est licitum cuilibet privatae personae. Sed si sit cum nocumento alterius, hoc non debet fieri nisi secundum iudicium eius ad quem pertinet existimare quid sit subtrahendum partibus pro salute totius. Reply to Objection 3. It is lawful for any private individual to do anything for the common good, provided it harm nobody: but if it be harmful to some other, it cannot be done, except by virtue of the judgment of the person to whom it pertains to decide what is to be taken from the parts for the welfare of the whole.
IIª-IIae q. 64 a. 4 arg. 1 Ad quartum sic proceditur. Videtur quod occidere malefactores liceat clericis. Clerici enim praecipue debent implere quod apostolus dicit, I ad Cor. IV, imitatores mei estote, sicut et ego Christi, per quod nobis indicitur ut Deum et sanctos eius imitemur. Sed ipse Deus, quem colimus, occidit malefactores, secundum illud Psalm., qui percussit Aegyptum cum primogenitis eorum. Moyses etiam a Levitis fecit interfici viginti tria millia hominum propter adorationem vituli, ut habetur Exod. XXXII. Et Phinees, sacerdos, interfecit Israelitem coeuntem cum Madianitide, ut habetur Num. XXV. Samuel etiam interfecit Agag, regem Amalec; et Elias sacerdotes Baal; et Mathathias eum qui ad sacrificandum accesserat; et in novo testamento, Petrus Ananiam et Saphiram. Ergo videtur quod etiam clericis liceat occidere malefactores. Objection 1. It would seem lawful for clerics to kill evil-doers. For clerics especially should fulfil the precept of the Apostle (1 Corinthians 4:16): "Be ye followers of me as I also am of Christ," whereby we are called upon to imitate God and His saints. Now the very God whom we worship puts evildoers to death, according to Psalm 135:10, "Who smote Egypt with their firstborn." Again Moses made the Levites slay twenty-three thousand men on account of the worship of the calf (Exodus 32), the priest Phinees slew the Israelite who went in to the woman of Madian (Numbers 25), Samuel killed Agag king of Amalec (1 Samuel 15), Elias slew the priests of Baal (1 Kings 18), Mathathias killed the man who went up to the altar to sacrifice (1 Maccabees 2); and, in the New Testament, Peter killed Ananias and Saphira (Acts 5). Therefore it seems that even clerics may kill evil-doers.
IIª-IIae q. 64 a. 4 arg. 2 Praeterea, potestas spiritualis est maior quam temporalis, et Deo coniunctior. Sed potestas temporalis licite malefactores occidit tanquam Dei minister, ut dicitur Rom. XIII. Ergo multo magis clerici, qui sunt Dei ministri spiritualem potestatem habentes, licite possunt malefactores occidere. Objection 2. Further, spiritual power is greater than the secular and is more united to God. Now the secular power as "God's minister" lawfully puts evil-doers to death, according to Romans 13:4. Much more therefore may clerics, who are God's ministers and have spiritual power, put evil-doers to death.
IIª-IIae q. 64 a. 4 arg. 3 Praeterea, quicumque licite suscipit aliquod officium, licite potest ea exercere quae ad officium illud pertinent. Sed officium principis terrae est malefactores occidere, ut dictum est. Ergo clerici qui sunt terrarum principes, licite possunt occidere malefactores. Objection 3. Further, whosoever lawfully accepts an office, may lawfully exercise the functions of that office. Now it belongs to the princely office to slay evildoers, as stated above (Article 3). Therefore those clerics who are earthly princes may lawfully slay malefactors.
IIª-IIae q. 64 a. 4 s. c. Sed contra est quod dicitur I ad Tim. III, oportet episcopum sine crimine esse, non vinolentum, non percussorem. On the contrary, It is written (1 Timothy 3:2-3): "It behooveth . . . a bishop to be without crime [Vulgate: 'blameless.' 'Without crime' is the reading in Titus 1:7] . . . not given to wine, no striker."
IIª-IIae q. 64 a. 4 co. Respondeo dicendum quod non licet clericis occidere, duplici ratione. Primo quidem, quia sunt electi ad altaris ministerium, in quo repraesentatur passio Christi occisi, qui cum percuteretur, non repercutiebat, ut dicitur I Pet. II. Et ideo non competit ut clerici sint percussores aut occisores, debent enim ministri suum dominum imitari, secundum illud Eccli. X, secundum iudicem populi, sic et ministri eius. Alia ratio est quia clericis committitur ministerium novae legis, in qua non determinatur poena occisionis vel mutilationis corporalis. Et ideo, ut sint idonei ministri novi testamenti, debent a talibus abstinere. I answer that, It is unlawful for clerics to kill, for two reasons. First, because they are chosen for the ministry of the altar, whereon is represented the Passion of Christ slain "Who, when He was struck did not strike [Vulgate: 'When He suffered, He threatened not']" (1 Peter 2:23). Therefore it becomes not clerics to strike or kill: for ministers should imitate their master, according to Sirach 10:2, "As the judge of the people is himself, so also are his ministers." The other reason is because clerics are entrusted with the ministry of the New Law, wherein no punishment of death or of bodily maiming is appointed: wherefore they should abstain from such things in order that they may be fitting ministers of the New Testament.
IIª-IIae q. 64 a. 4 ad 1 Ad primum ergo dicendum quod Deus universaliter in omnibus operatur quae recta sunt, in unoquoque tamen secundum eius congruentiam. Et ideo unusquisque debet Deum imitari in hoc quod sibi specialiter congruit. Unde licet Deus corporaliter etiam malefactores occidat, non tamen oportet quod omnes in hoc eum imitentur. Petrus autem non propria auctoritate vel manu Ananiam et Saphiram interfecit, sed magis divinam sententiam de eorum morte promulgavit. Sacerdotes autem vel Levitae veteris testamenti erant ministri veteris legis, secundum quam poenae corporales infligebantur, et ideo etiam eis occidere propria manu congruebat. Reply to Objection 1. God works in all things without exception whatever is right, yet in each one according to its mode. Wherefore everyone should imitate God in that which is specially becoming to him. Hence, though God slays evildoers even corporally, it does not follow that all should imitate Him in this. As regards Peter, he did not put Ananias and Saphira to death by his own authority or with his own hand, but published their death sentence pronounced by God. The Priests or Levites of the Old Testament were the ministers of the Old Law, which appointed corporal penalties, so that it was fitting for them to slay with their own hands.
IIª-IIae q. 64 a. 4 ad 2 Ad secundum dicendum quod ministerium clericorum est in melioribus ordinatum quam sint corporales occisiones, scilicet in his quae pertinent ad salutem spiritualem. Et ideo non congruit eis quod minoribus se ingerant. Reply to Objection 2. The ministry of clerics is concerned with better things than corporal slayings, namely with things pertaining to spiritual welfare, and so it is not fitting for them to meddle with minor matters.
IIª-IIae q. 64 a. 4 ad 3 Ad tertium dicendum quod praelati Ecclesiarum accipiunt officia principum terrae non ut ipsi iudicium sanguinis exerceant per seipsos, sed quod eorum auctoritate per alios exerceatur. Reply to Objection 3. Ecclesiastical prelates accept the office of earthly princes, not that they may inflict capital punishment themselves, but that this may be carried into effect by others in virtue of their authority.
IIª-IIae q. 64 a. 5 arg. 1 Ad quintum sic proceditur. Videtur quod alicui liceat seipsum occidere. Homicidium enim est peccatum inquantum iustitiae contrariatur. Sed nullus potest sibi ipsi iniustitiam facere, ut probatur in V Ethic. Ergo nullus peccat occidendo seipsum. Objection 1. It would seem lawful for a man to kill himself. For murder is a sin in so far as it is contrary to justice. But no man can do an injustice to himself, as is proved in Ethic. v, 11. Therefore no man sins by killing himself.
IIª-IIae q. 64 a. 5 arg. 2 Praeterea, occidere malefactores licet habenti publicam potestatem. Sed quandoque ille qui habet publicam potestatem est malefactor. Ergo licet ei occidere seipsum. Objection 2. Further, it is lawful, for one who exercises public authority, to kill evil-doers. Now he who exercises public authority is sometimes an evil-doer. Therefore he may lawfully kill himself.
IIª-IIae q. 64 a. 5 arg. 3 Praeterea, licitum est quod aliquis spontanee minus periculum subeat ut maius periculum vitet, sicut licitum est quod aliquis etiam sibi ipsi amputet membrum putridum ut totum corpus salvetur. Sed quandoque aliquis per occisionem sui ipsius vitat maius malum, vel miseram vitam vel turpitudinem alicuius peccati. Ergo licet alicui occidere seipsum. Objection 3. Further, it is lawful for a man to suffer spontaneously a lesser danger that he may avoid a greater: thus it is lawful for a man to cut off a decayed limb even from himself, that he may save his whole body. Now sometimes a man, by killing himself, avoids a greater evil, for example an unhappy life, or the shame of sin. Therefore a man may kill himself.
IIª-IIae q. 64 a. 5 arg. 4 Praeterea, Samson seipsum interfecit, ut habetur Iudic. XVI, qui tamen connumeratur inter sanctos, ut patet Heb. XI. Ergo licitum est alicui occidere seipsum. Objection 4. Further, Samson killed himself, as related in Judges 16, and yet he is numbered among the saints (Hebrews 11). Therefore it is lawful for a man to kill himself.
IIª-IIae q. 64 a. 5 arg. 5 Praeterea, II Machab. XIV dicitur quod Razias quidam seipsum interfecit, eligens nobiliter mori potius quam subditus fieri peccatoribus et contra natales suos iniuriis agi. Sed nihil quod nobiliter fit et fortiter, est illicitum. Ergo occidere seipsum non est illicitum. Objection 5. Further, it is related (2 Maccabees 14:42) that a certain Razias killed himself, "choosing to die nobly rather than to fall into the hands of the wicked, and to suffer abuses unbecoming his noble birth." Now nothing that is done nobly and bravely is unlawful. Therefore suicide is not unlawful.
IIª-IIae q. 64 a. 5 s. c. Sed contra est quod Augustinus dicit, in I de Civ. Dei, restat ut de homine intelligamus quod dictum est, non occides. Nec alterum ergo, nec te. Neque enim aliud quam hominem occidit qui seipsum occidit. On the contrary, Augustine says (De Civ. Dei i, 20): "Hence it follows that the words 'Thou shalt not kill' refer to the killing of a man--not another man; therefore, not even thyself. For he who kills himself, kills nothing else than a man."
IIª-IIae q. 64 a. 5 co. Respondeo dicendum quod seipsum occidere est omnino illicitum triplici ratione. Primo quidem, quia naturaliter quaelibet res seipsam amat, et ad hoc pertinet quod quaelibet res naturaliter conservat se in esse et corrumpentibus resistit quantum potest. Et ideo quod aliquis seipsum occidat est contra inclinationem naturalem, et contra caritatem, qua quilibet debet seipsum diligere. Et ideo occisio sui ipsius semper est peccatum mortale, utpote contra naturalem legem et contra caritatem existens. Secundo, quia quaelibet pars id quod est, est totius. Quilibet autem homo est pars communitatis, et ita id quod est, est communitatis. Unde in hoc quod seipsum interficit, iniuriam communitati facit, ut patet per philosophum, in V Ethic. Tertio, quia vita est quoddam donum divinitus homini attributum, et eius potestati subiectum qui occidit et vivere facit. Et ideo qui seipsum vita privat in Deum peccat, sicut qui alienum servum interficit peccat in dominum cuius est servus; et sicut peccat ille qui usurpat sibi iudicium de re sibi non commissa. Ad solum enim Deum pertinet iudicium mortis et vitae, secundum illud Deut. XXXII, ego occidam, et vivere faciam. I answer that, It is altogether unlawful to kill oneself, for three reasons. First, because everything naturally loves itself, the result being that everything naturally keeps itself in being, and resists corruptions so far as it can. Wherefore suicide is contrary to the inclination of nature, and to charity whereby every man should love himself. Hence suicide is always a mortal sin, as being contrary to the natural law and to charity. Secondly, because every part, as such, belongs to the whole. Now every man is part of the community, and so, as such, he belongs to the community. Hence by killing himself he injures the community, as the Philosopher declares (Ethic. v, 11). Thirdly, because life is God's gift to man, and is subject to His power, Who kills and makes to live. Hence whoever takes his own life, sins against God, even as he who kills another's slave, sins against that slave's master, and as he who usurps to himself judgment of a matter not entrusted to him. For it belongs to God alone to pronounce sentence of death and life, according to Deuteronomy 32:39, "I will kill and I will make to live."
IIª-IIae q. 64 a. 5 ad 1 Ad primum ergo dicendum quod homicidium est peccatum non solum quia contrariatur iustitiae, sed etiam quia contrariatur caritati quam habere debet aliquis ad seipsum. Et ex hac parte occisio sui ipsius est peccatum per comparationem ad seipsum. Per comparationem autem ad communitatem et ad Deum, habet rationem peccati etiam per oppositionem ad iustitiam. Reply to Objection 1. Murder is a sin, not only because it is contrary to justice, but also because it is opposed to charity which a man should have towards himself: in this respect suicide is a sin in relation to oneself. On relation to the community and to God, it is sinful, by reason also of its opposition to justice.
IIª-IIae q. 64 a. 5 ad 2 Ad secundum dicendum quod ille qui habet publicam potestatem potest licite malefactorem occidere per hoc quod potest de ipso iudicare. Nullus autem est iudex sui ipsius. Unde non licet habenti publicam potestatem seipsum occidere propter quodcumque peccatum. Licet tamen ei se committere iudicio aliorum. Reply to Objection 2. One who exercises public authority may lawfully put to death an evil-doer, since he can pass judgment on him. But no man is judge of himself. Wherefore it is not lawful for one who exercises public authority to put himself to death for any sin whatever: although he may lawfully commit himself to the judgment of others.
IIª-IIae q. 64 a. 5 ad 3 Ad tertium dicendum quod homo constituitur dominus sui ipsius per liberum arbitrium. Et ideo licite potest homo de seipso disponere quantum ad ea quae pertinent ad hanc vitam, quae hominis libero arbitrio regitur. Sed transitus de hac vita ad aliam feliciorem non subiacet libero arbitrio hominis, sed potestati divinae. Et ideo non licet homini seipsum interficere ut ad feliciorem transeat vitam. Similiter etiam nec ut miserias quaslibet praesentis vitae evadat. Quia ultimum malorum huius vitae et maxime terribile est mors, ut patet per philosophum, in III Ethic. Et ita inferre sibi mortem ad alias huius vitae miserias evadendas est maius malum assumere ad minoris mali vitationem. Similiter etiam non licet seipsum occidere propter aliquod peccatum commissum. Tum quia in hoc sibi maxime nocet quod sibi adimit necessarium poenitentiae tempus. Tum etiam quia malefactorem occidere non licet nisi per iudicium publicae potestatis. Similiter etiam non licet mulieri seipsam occidere ne ab alio corrumpatur. Quia non debet in se committere crimen maximum, quod est sui ipsius occisio, ut vitet minus crimen alienum (non enim est crimen mulieris per violentiam violatae, si consensus non adsit, quia non inquinatur corpus nisi de consensu mentis, ut Lucia dixit). Constat autem minus esse peccatum fornicationem vel adulterium quam homicidium, et praecipue sui ipsius, quod est gravissimum, quia sibi ipsi nocet, cui maximam dilectionem debet. Est etiam periculosissimum, quia non restat tempus ut per poenitentiam expietur. Similiter etiam nulli licet seipsum occidere ob timorem ne consentiat in peccatum. Quia non sunt facienda mala ut veniant bona, vel ut vitentur mala, praesertim minora et minus certa. Incertum enim est an aliquis in futurum consentiat in peccatum, potens est enim Deus hominem, quacumque tentatione superveniente, liberare a peccato. Reply to Objection 3. Man is made master of himself through his free-will: wherefore he can lawfully dispose of himself as to those matters which pertain to this life which is ruled by man's free-will. But the passage from this life to another and happier one is subject not to man's free-will but to the power of God. Hence it is not lawful for man to take his own life that he may pass to a happier life, nor that he may escape any unhappiness whatsoever of the present life, because the ultimate and most fearsome evil of this life is death, as the Philosopher states (Ethic. iii, 6). Therefore to bring death upon oneself in order to escape the other afflictions of this life, is to adopt a greater evil in order to avoid a lesser. On like manner it is unlawful to take one's own life on account of one's having committed a sin, both because by so doing one does oneself a very great injury, by depriving oneself of the time needful for repentance, and because it is not lawful to slay an evildoer except by the sentence of the public authority. Again it is unlawful for a woman to kill herself lest she be violated, because she ought not to commit on herself the very great sin of suicide, to avoid the lesser sir; of another. For she commits no sin in being violated by force, provided she does not consent, since "without consent of the mind there is no stain on the body," as the Blessed Lucy declared. Now it is evident that fornication and adultery are less grievous sins than taking a man's, especially one's own, life: since the latter is most grievous, because one injures oneself, to whom one owes the greatest love. Moreover it is most dangerous since no time is left wherein to expiate it by repentance. Again it is not lawful for anyone to take his own life for fear he should consent to sin, because "evil must not be done that good may come" (Romans 3:8) or that evil may be avoided especially if the evil be of small account and an uncertain event, for it is uncertain whether one will at some future time consent to a sin, since God is able to deliver man from sin under any temptation whatever.
IIª-IIae q. 64 a. 5 ad 4 Ad quartum dicendum quod, sicut Augustinus dicit, in I de Civ. Dei, nec Samson aliter excusatur quod seipsum cum hostibus ruina domus oppressit, nisi quia latenter spiritus hoc iusserat, qui per illum miracula faciebat. Et eandem rationem assignat de quibusdam sanctis feminis quae tempore persecutionis seipsas occiderunt, quarum memoria in Ecclesia celebratur. Reply to Objection 4. As Augustine says (De Civ. Dei i, 21), "not even Samson is to be excused that he crushed himself together with his enemies under the ruins of the house, except the Holy Ghost, Who had wrought many wonders through him, had secretly commanded him to do this." He assigns the same reason in the case of certain holy women, who at the time of persecution took their own lives, and who are commemorated by the Church.
IIª-IIae q. 64 a. 5 ad 5 Ad quintum dicendum quod ad fortitudinem pertinet quod aliquis ab alio mortem pati non refugiat propter bonum virtutis, et ut vitet peccatum. Sed quod aliquis sibi ipsi inferat mortem ut vitet mala poenalia, habet quidem quandam speciem fortitudinis, propter quod quidam seipsos interfecerunt aestimantes se fortiter agere, de quorum numero Razias fuit, non tamen est vera fortitudo, sed magis quaedam mollities animi non valentis mala poenalia sustinere, ut patet per philosophum, in III Ethic., et per Augustinum, in I de Civ. Dei. Reply to Objection 5. It belongs to fortitude that a man does not shrink from being slain by another, for the sake of the good of virtue, and that he may avoid sin. But that a man take his own life in order to avoid penal evils has indeed an appearance of fortitude (for which reason some, among whom was Razias, have killed themselves thinking to act from fortitude), yet it is not true fortitude, but rather a weakness of soul unable to bear penal evils, as the Philosopher (Ethic. iii, 7) and Augustine (De Civ. Dei 22,23) declare.
IIª-IIae q. 64 a. 6 arg. 1 Ad sextum sic proceditur. Videtur quod liceat in aliquo casu interficere innocentem. Divinus enim timor non manifestatur per peccatum, quin magis timor domini expellit peccatum, ut dicitur Eccli. I. Sed Abraham commendatus est quod timuerit dominum, quia voluit interficere filium innocentem. Ergo potest aliquis innocentem interficere sine peccato. Objection 1. It would seem that in some cases it is lawful to kill the innocent. The fear of God is never manifested by sin, since on the contrary "the fear of the Lord driveth out sin" (Sirach 1:27). Now Abraham was commended in that he feared the Lord, since he was willing to slay his innocent son. Therefore one may, without sin, kill an innocent person.
IIª-IIae q. 64 a. 6 arg. 2 Praeterea, in genere peccatorum quae contra proximum committuntur, tanto videtur aliquid esse maius peccatum quanto maius nocumentum infertur ei in quem peccatur. Sed occisio plus nocet peccatori quam innocenti, qui de miseria huius vitae ad caelestem gloriam transit per mortem. Cum ergo liceat in aliquo casu peccatorem occidere, multo magis licet occidere innocentem vel iustum. Objection 2. Further, among those sins that are committed against one's neighbor, the more grievous seem to be those whereby a more grievous injury is inflicted on the person sinned against. Now to be killed is a greater injury to a sinful than to an innocent person, because the latter, by death, passes forthwith from the unhappiness of this life to the glory of heaven. Since then it is lawful in certain cases to kill a sinful man, much more is it lawful to slay an innocent or a righteous person.
IIª-IIae q. 64 a. 6 arg. 3 Praeterea, illud quod fit secundum ordinem iustitiae non est peccatum. Sed quandoque cogitur aliquis secundum ordinem iustitiae occidere innocentem, puta cum iudex, qui debet secundum allegata iudicare, condemnat ad mortem eum quem scit innocentem, per falsos testes convictum; et similiter minister qui iniuste condemnatum occidit obediens iudici. Ergo absque peccato potest aliquis occidere innocentem. Objection 3. Further, what is done in keeping with the order of justice is not a sin. But sometimes a man is forced, according to the order of justice, to slay an innocent person: for instance, when a judge, who is bound to judge according to the evidence, condemns to death a man whom he knows to be innocent but who is convicted by false witnesses; and again the executioner, who in obedience to the judge puts to death the man who has been unjustly sentenced.
IIª-IIae q. 64 a. 6 s. c. Sed contra est quod dicitur Exod. XXIII, innocentem et iustum non occides. On the contrary, It is written (Exodus 23:7): "The innocent and just person thou shalt not put to death."
IIª-IIae q. 64 a. 6 co. Respondeo dicendum quod aliquis homo dupliciter considerari potest, uno modo, secundum se; alio modo, per comparationem ad aliud. Secundum se quidem considerando hominem, nullum occidere licet, quia in quolibet, etiam peccatore, debemus amare naturam, quam Deus fecit, quae per occisionem corrumpitur. Sed sicut supra dictum est, occisio peccatoris fit licita per comparationem ad bonum commune, quod per peccatum corrumpitur. Vita autem iustorum est conservativa et promotiva boni communis, quia ipsi sunt principalior pars multitudinis. Et ideo nullo modo licet occidere innocentem. I answer that, An individual man may be considered in two ways: first, in himself; secondly, in relation to something else. If we consider a man in himself, it is unlawful to kill any man, since in every man though he be sinful, we ought to love the nature which God has made, and which is destroyed by slaying him. Nevertheless, as stated above (Article 2) the slaying of a sinner becomes lawful in relation to the common good, which is corrupted by sin. On the other hand the life of righteous men preserves and forwards the common good, since they are the chief part of the community. Therefore it is in no way lawful to slay the innocent.
IIª-IIae q. 64 a. 6 ad 1 Ad primum ergo dicendum quod Deus habet dominium mortis et vitae, eius enim ordinatione moriuntur et peccatores et iusti. Et ideo ille qui mandato Dei occidit innocentem, talis non peccat, sicut nec Deus, cuius est executor, et ostenditur Deum timere, eius mandatis obediens. Reply to Objection 1. God is Lord of death and life, for by His decree both the sinful and the righteous die. Hence he who at God's command kills an innocent man does not sin, as neither does God Whose behest he executes: indeed his obedience to God's commands is a proof that he fears Him.
IIª-IIae q. 64 a. 6 ad 2 Ad secundum dicendum quod in pensanda gravitate peccati magis est considerandum illud quod est per se quam illud quod est per accidens. Unde ille qui occidit iustum gravius peccat quam ille qui occidit peccatorem. Primo quidem, quia nocet ei quem plus debet diligere, et ita magis contra caritatem agit. Secundo, quia iniuriam infert ei qui est minus dignus, et ita magis contra iustitiam agit. Tertio, quia privat communitatem maiori bono. Quarto, quia magis Deum contemnit, secundum illud Luc. X, qui vos spernit, me spernit. Quod autem iustus occisus ad gloriam perducatur a Deo, per accidens se habet ad occisionem. Reply to Objection 2. In weighing the gravity of a sin we must consider the essential rather than the accidental. Wherefore he who kills a just man, sins more grievously than he who slays a sinful man: first, because he injures one whom he should love more, and so acts more in opposition to charity: secondly, because he inflicts an injury on a man who is less deserving of one, and so acts more in opposition to justice: thirdly, because he deprives the community of a greater good: fourthly, because he despises God more, according to Luke 10:16, "He that despiseth you despiseth Me." On the other hand it is accidental to the slaying that the just man whose life is taken be received by God into glory.
IIª-IIae q. 64 a. 6 ad 3 Ad tertium dicendum quod iudex, si scit aliquem esse innocentem qui falsis testibus convincitur, debet diligentius examinare testes, ut inveniat occasionem liberandi innoxium, sicut Daniel fecit. Si autem hoc non potest, debet eum ad superiorem remittere iudicandum. Si autem nec hoc potest, non peccat secundum allegata sententiam ferens, quia non ipse occidit innocentem, sed illi qui eum asserunt nocentem. Minister autem iudicis condemnantis innocentem, si sententia intolerabilem errorem contineat, non debet obedire, alias excusarentur carnifices qui martyres occiderunt. Si vero non contineat manifestam iniustitiam, non peccat praeceptum exequendo, quia ipse non habet discutere superioris sententiam; nec ipse occidit innocentem, sed iudex, cui ministerium adhibet. Reply to Objection 3. If the judge knows that man who has been convicted by false witnesses, is innocent he must, like Daniel, examine the witnesses with great care, so as to find a motive for acquitting the innocent: but if he cannot do this he should remit him for judgment by a higher tribunal. If even this is impossible, he does not sin if he pronounce sentence in accordance with the evidence, for it is not he that puts the innocent man to death, but they who stated him to be guilty. He that carries out the sentence of the judge who has condemned an innocent man, if the sentence contains an inexcusable error, he should not obey, else there would be an excuse for the executions of the martyrs: if however it contain no manifest injustice, he does not has no right to discuss the judgment of his superior; nor is it he who slays the innocent man, but the judge whose minister he is.
IIª-IIae q. 64 a. 7 arg. 1 Ad septimum sic proceditur. Videtur quod nulli liceat occidere aliquem se defendendo. Dicit enim Augustinus, ad Publicolam, de occidendis hominibus ne ab eis quisquam occidatur, non mihi placet consilium, nisi forte sit miles, aut publica functione teneatur, ut non pro se hoc faciat sed pro aliis, accepta legitima potestate, si eius congruat personae. Sed ille qui se defendendo occidit aliquem, ad hoc eum occidit ne ipse ab eo occidatur. Ergo hoc videtur esse illicitum. Objection 1. It would seem that nobody may lawfully kill a man in self-defense. For Augustine says to Publicola (Ep. xlvii): "I do not agree with the opinion that one may kill a man lest one be killed by him; unless one be a soldier, exercise a public office, so that one does it not for oneself but for others, having the power to do so, provided it be in keeping with one's person." Now he who kills a man in self-defense, kills him lest he be killed by him. Therefore this would seem to be unlawful.
IIª-IIae q. 64 a. 7 arg. 2 Praeterea, in I de Lib. Arb. dicitur, quomodo apud divinam providentiam a peccato liberi sunt qui pro his rebus quas contemni oportet, humana caede polluti sunt? Eas autem res dicit esse contemnendas quas homines inviti amittere possunt, ut ex praemissis patet. Horum autem est vita corporalis. Ergo pro conservanda vita corporali nulli licitum est hominem occidere. Objection 2. Further, he says (De Lib. Arb. i, 5): "How are they free from sin in sight of Divine providence, who are guilty of taking a man's life for the sake of these contemptible things?" Now among contemptible things he reckons "those which men may forfeit unwillingly," as appears from the context (De Lib. Arb. i, 5): and the chief of these is the life of the body. Therefore it is unlawful for any man to take another's life for the sake of the life of his own body.
IIª-IIae q. 64 a. 7 arg. 3 Praeterea, Nicolaus Papa dicit, et habetur in decretis, dist. l, de clericis pro quibus consuluisti, scilicet qui se defendendo Paganum occiderunt, si postea per poenitentiam possent ad pristinum statum redire aut ad altiorem ascendere, scito nos nullam occasionem dare, nec ullam tribuere licentiam eis quemlibet hominem quolibet modo occidendi. Sed ad praecepta moralia servanda tenentur communiter clerici et laici. Ergo etiam laicis non est licitum occidere aliquem se defendendo. Objection 3. Further, Pope Nicolas [Nicolas I, Dist. 1, can. De his clericis] says in the Decretals: "Concerning the clerics about whom you have consulted Us, those, namely, who have killed a pagan in self-defense, as to whether, after making amends by repenting, they may return to their former state, or rise to a higher degree; know that in no case is it lawful for them to kill any man under any circumstances whatever." Now clerics and laymen are alike bound to observe the moral precepts. Therefore neither is it lawful for laymen to kill anyone in self-defense.
IIª-IIae q. 64 a. 7 arg. 4 Praeterea, homicidium est gravius peccatum quam simplex fornicatio vel adulterium. Sed nulli licet committere simplicem fornicationem vel adulterium, vel quodcumque aliud peccatum mortale, pro conservatione propriae vitae, quia vita spiritualis praeferenda est corporali. Ergo nulli licet, defendendo seipsum, alium occidere ut propriam vitam conservet. Objection 4. Further, murder is a more grievous sin than fornication or adultery. Now nobody may lawfully commit simple fornication or adultery or any other mortal sin in order to save his own life; since the spiritual life is to be preferred to the life of the body. Therefore no man may lawfully take another's life in self-defense in order to save his own life.
IIª-IIae q. 64 a. 7 arg. 5 Praeterea, si arbor est mala, et fructus, ut dicitur Matth. VII. Sed ipsa defensio sui videtur esse illicita, secundum illud Rom. XII, non vos defendentes, carissimi. Ergo et occisio hominis exinde procedens est illicita. Objection 5. Further, if the tree be evil, so is the fruit, according to Matthew 7:17. Now self-defense itself seems to be unlawful, according to Romans 12:19: "Not defending [Douay: 'revenging'] yourselves, my dearly beloved." Therefore its result, which is the slaying of a man, is also unlawful.
IIª-IIae q. 64 a. 7 s. c. Sed contra est quod Exod. XXII dicitur, si effringens fur domum sive suffodiens fuerit inventus, et, accepto vulnere, mortuus fuerit, percussor non erit reus sanguinis. Sed multo magis licitum est defendere propriam vitam quam propriam domum. Ergo etiam si aliquis occidat aliquem pro defensione vitae suae, non erit reus homicidii. On the contrary, It is written (Exodus 22:2): "If a thief be found breaking into a house or undermining it, and be wounded so as to die; he that slew him shall not be guilty of blood." Now it is much more lawful to defend one's life than one's house. Therefore neither is a man guilty of murder if he kill another in defense of his own life.
IIª-IIae q. 64 a. 7 co. Respondeo dicendum quod nihil prohibet unius actus esse duos effectus, quorum alter solum sit in intentione, alius vero sit praeter intentionem. Morales autem actus recipiunt speciem secundum id quod intenditur, non autem ab eo quod est praeter intentionem, cum sit per accidens, ut ex supradictis patet. Ex actu igitur alicuius seipsum defendentis duplex effectus sequi potest, unus quidem conservatio propriae vitae; alius autem occisio invadentis. Actus igitur huiusmodi ex hoc quod intenditur conservatio propriae vitae, non habet rationem illiciti, cum hoc sit cuilibet naturale quod se conservet in esse quantum potest. Potest tamen aliquis actus ex bona intentione proveniens illicitus reddi si non sit proportionatus fini. Et ideo si aliquis ad defendendum propriam vitam utatur maiori violentia quam oporteat, erit illicitum. Si vero moderate violentiam repellat, erit licita defensio, nam secundum iura, vim vi repellere licet cum moderamine inculpatae tutelae. Nec est necessarium ad salutem ut homo actum moderatae tutelae praetermittat ad evitandum occisionem alterius, quia plus tenetur homo vitae suae providere quam vitae alienae. Sed quia occidere hominem non licet nisi publica auctoritate propter bonum commune, ut ex supradictis patet; illicitum est quod homo intendat occidere hominem ut seipsum defendat, nisi ei qui habet publicam auctoritatem, qui, intendens hominem occidere ad sui defensionem, refert hoc ad publicum bonum, ut patet in milite pugnante contra hostes, et in ministro iudicis pugnante contra latrones. Quamvis et isti etiam peccent si privata libidine moveantur. I answer that, Nothing hinders one act from having two effects, only one of which is intended, while the other is beside the intention. Now moral acts take their species according to what is intended, and not according to what is beside the intention, since this is accidental as explained above (43, 3; I-II, 12, 1). Accordingly the act of self-defense may have two effects, one is the saving of one's life, the other is the slaying of the aggressor. Therefore this act, since one's intention is to save one's own life, is not unlawful, seeing that it is natural to everything to keep itself in "being," as far as possible. And yet, though proceeding from a good intention, an act may be rendered unlawful, if it be out of proportion to the end. Wherefore if a man, in self-defense, uses more than necessary violence, it will be unlawful: whereas if he repel force with moderation his defense will be lawful, because according to the jurists [Cap. Significasti, De Homicid. volunt. vel casual.], "it is lawful to repel force by force, provided one does not exceed the limits of a blameless defense." Nor is it necessary for salvation that a man omit the act of moderate self-defense in order to avoid killing the other man, since one is bound to take more care of one's own life than of another's. But as it is unlawful to take a man's life, except for the public authority acting for the common good, as stated above (Article 3), it is not lawful for a man to intend killing a man in self-defense, except for such as have public authority, who while intending to kill a man in self-defense, refer this to the public good, as in the case of a soldier fighting against the foe, and in the minister of the judge struggling with robbers, although even these sin if they be moved by private animosity.
IIª-IIae q. 64 a. 7 ad 1 Ad primum ergo dicendum quod auctoritas Augustini intelligenda est in eo casu quo quis intendit occidere hominem ut seipsum a morte liberet. Reply to Objection 1. The words quoted from Augustine refer to the case when one man intends to kill another to save himself from death. The passage quoted in the Second Objection is to be understood in the same sense. Hence he says pointedly, "for the sake of these things," whereby he indicates the intention.
IIª-IIae q. 64 a. 7 ad 2 In quo etiam casu intelligitur auctoritas inducta ex libro de libero arbitrio. Unde signanter dicitur, pro his rebus, in quo designatur intentio. Et per hoc patet responsio ad secundum. This suffices for the Reply to the Second Objection.
IIª-IIae q. 64 a. 7 ad 3 Ad tertium dicendum quod irregularitas consequitur actum homicidii etiam si sit absque peccato, ut patet in iudice qui iuste aliquem condemnat ad mortem. Et propter hoc clericus, etiam si se defendendo interficiat aliquem, irregularis est, quamvis non intendat occidere, sed seipsum defendere. Reply to Objection 3. Irregularity results from the act though sinless of taking a man's life, as appears in the case of a judge who justly condemns a man to death. For this reason a cleric, though he kill a man in self-defense, is irregular, albeit he intends not to kill him, but to defend himself.
IIª-IIae q. 64 a. 7 ad 4 Ad quartum dicendum quod actus fornicationis vel adulterii non ordinatur ad conservationem propriae vitae ex necessitate, sicut actus ex quo quandoque sequitur homicidium. Reply to Objection 4. The act of fornication or adultery is not necessarily directed to the preservation of one's own life, as is the act whence sometimes results the taking of a man's life.
IIª-IIae q. 64 a. 7 ad 5 Ad quintum dicendum quod ibi prohibetur defensio quae est cum livore vindictae. Unde Glossa dicit, non vos defendentes, idest, non sitis referientes adversarios. Reply to Objection 5. The defense forbidden in this passage is that which comes from revengeful spite. Hence a gloss says: "Not defending yourselves--that is, not striking your enemy back."
IIª-IIae q. 64 a. 8 arg. 1 Ad octavum sic proceditur. Videtur quod aliquis casualiter occidens hominem incurrat homicidii reatum. Legitur enim Gen. IV quod Lamech, credens interficere bestiam, interfecit hominem, et reputatum est ei ad homicidium. Ergo reatum homicidii incurrit qui casualiter hominem occidit. Objection 1. It would seem that one is guilty of murder through killing someone by chance. For we read (Genesis 4:23-24) that Lamech slew a man in mistake for a wild beast [The text of the Bible does not say so, but this was the Jewish traditional commentary on Genesis 4:23, and that he was accounted guilty of murder. Therefore one incurs the guilt of murder through killing a man by chance.
IIª-IIae q. 64 a. 8 arg. 2 Praeterea, Exod. XXI dicitur quod si quis percusserit mulierem praegnantem et aborsum fecerit, si mors eius fuerit subsecuta, reddet animam pro anima. Sed hoc potest fieri absque intentione occisionis. Ergo homicidium casuale habet homicidii reatum. Objection 2. Further, it is written (Exodus 21:22): "If . . . one strike a woman with child, and she miscarry indeed . . . if her death ensue thereupon, he shall render life for life." Yet this may happen without any intention of causing her death. Therefore one is guilty of murder through killing someone by chance.
IIª-IIae q. 64 a. 8 arg. 3 Praeterea, in decretis, dist. l, inducuntur plures canones in quibus casualia homicidia puniuntur. Sed poena non debetur nisi culpae. Ergo ille qui casualiter occidit hominem, incurrit homicidii culpam. Objection 3. Further, the Decretals [Dist. 1 contain several canons prescribing penalties for unintentional homicide. Now penalty is not due save for guilt. Therefore he who kills a man by chance, incurs the guilt of murder.
IIª-IIae q. 64 a. 8 s. c. Sed contra est quod Augustinus dicit, ad Publicolam, absit ut ea quae propter bonum ac licitum facimus, si quid per haec, praeter nostram voluntatem, cuiquam mali acciderit, nobis imputetur. Sed contingit quandoque ut propter bonum aliquid facientibus homicidium consequatur casualiter. Ergo non imputatur facienti ad culpam. On the contrary, Augustine says to Publicola (Ep. xlvii): "When we do a thing for a good and lawful purpose, if thereby we unintentionally cause harm to anyone, it should by no means be imputed to us." Now it sometimes happens by chance that a person is killed as a result of something done for a good purpose. Therefore the person who did it is not accounted guilty.
IIª-IIae q. 64 a. 8 co. Respondeo dicendum quod, secundum philosophum, in II Physic., casus est causa agens praeter intentionem. Et ideo ea quae casualia sunt, simpliciter loquendo, non sunt intenta neque voluntaria. Et quia omne peccatum est voluntarium, secundum Augustinum, consequens est quod casualia, inquantum huiusmodi, non sunt peccata. Contingit tamen id quod non est actu et per se volitum vel intentum, esse per accidens volitum et intentum, secundum quod causa per accidens dicitur removens prohibens. Unde ille qui non removet ea ex quibus sequitur homicidium, si debeat removere, erit quodammodo homicidium voluntarium. Hoc autem contingit dupliciter, uno modo, quando dans operam rebus illicitis, quas vitare debebat, homicidium incurrit; alio modo, quando non adhibet debitam sollicitudinem. Et ideo secundum iura, si aliquis det operam rei licitae, debitam diligentiam adhibens, et ex hoc homicidium sequatur, non incurrit homicidii reatum, si vero det operam rei illicitae, vel etiam det operam rei licitae non adhibens diligentiam debitam, non evadit homicidii reatum si ex eius opere mors hominis consequatur. I answer that, According to the Philosopher (Phys. ii, 6) "chance is a cause that acts beside one's intention." Hence chance happenings, strictly speaking, are neither intended nor voluntary. And since every sin is voluntary, according to Augustine (De Vera Relig. xiv) it follows that chance happenings, as such, are not sins. Nevertheless it happens that what is not actually and directly voluntary and intended, is voluntary and intended accidentally, according as that which removes an obstacle is called an accidental cause. Wherefore he who does not remove something whence homicide results whereas he ought to remove it, is in a sense guilty of voluntary homicide. This happens in two ways: first when a man causes another's death through occupying himself with unlawful things which he ought to avoid: secondly, when he does not take sufficient care. Hence, according to jurists, if a man pursue a lawful occupation and take due care, the result being that a person loses his life, he is not guilty of that person's death: whereas if he be occupied with something unlawful, or even with something lawful, but without due care, he does not escape being guilty of murder, if his action results in someone's death.
IIª-IIae q. 64 a. 8 ad 1 Ad primum ergo dicendum quod Lamech non adhibuit sufficientem diligentiam ad homicidium vitandum, et ideo reatum homicidii non evasit. Reply to Objection 1. Lamech did not take sufficient care to avoid taking a man's life: and so he was not excused from being guilty of homicide.
IIª-IIae q. 64 a. 8 ad 2 Ad secundum dicendum quod ille qui percutit mulierem praegnantem dat operam rei illicitae. Et ideo si sequatur mors vel mulieris vel puerperii animati, non effugiet homicidii crimen, praecipue cum ex tali percussione in promptu sit quod mors sequatur. Reply to Objection 2. He that strikes a woman with child does something unlawful: wherefore if there results the death either of the woman or of the animated fetus, he will not be excused from homicide, especially seeing that death is the natural result of such a blow.
IIª-IIae q. 64 a. 8 ad 3 Ad tertium dicendum quod secundum canones imponitur poena his qui casualiter occidunt dantes operam rei illicitae, vel non adhibentes diligentiam debitam. Reply to Objection 3. According to the canons a penalty, is inflicted on those who cause death unintentionally, through doing something unlawful, or failing to take sufficient care.

Notes

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