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Home > Summa Theologica > First Part of the Second Part > Question 99

Question 99. The precepts of the old law

  1. Does the Old Law contain several precepts or only one?
  2. Does the Old Law contain any moral precepts?
  3. Does it contain ceremonial precepts in addition to the moral precepts?
  4. Besides these, does it contain judicial precepts?
  5. Does it contain any others besides these?
  6. How the Old Law induced men to keep its precepts

Article 1. Whether the Old Law contains only one precept?

Objection 1. It would seem that the Old Law contains but one precept. Because a law is nothing else than a precept, as stated above (90, A2,3). Now there is but one Old Law. Therefore it contains but one precept.

Objection 2. Further, the Apostle says (Romans 13:9): "If there be any other commandment, it is comprised in this word: Thou shalt love thy neighbor as thyself." But this is only one commandment. Therefore the Old Law contained but one commandment.

Objection 3. Further, it is written (Matthew 7:12): "All things . . . whatsoever you would that men should do to you, do you also to them. For this is the Law and the prophets." But the whole of the Old Law is comprised in the Law and the prophets. Therefore the whole of the Old Law contains but one commandment.

On the contrary, The Apostle says (Ephesians 2:15): "Making void the Law of commandments contained in decrees": where he is referring to the Old Law, as the gloss comments, on the passage. Therefore the Old Law comprises many commandments.

I answer that, Since a precept of law is binding, it is about something which must be done: and, that a thing must be done, arises from the necessity of some end. Hence it is evident that a precept implies, in its very idea, relation to an end, in so far as a thing is commanded as being necessary or expedient to an end. Now many things may happen to be necessary or expedient to an end; and, accordingly, precepts may be given about various things as being ordained to one end. Consequently we must say that all the precepts of the Old Law are one in respect of their relation to one end: and yet they are many in respect of the diversity of those things that are ordained to that end.

Reply to Objection 1. The Old Law is said to be one as being ordained to one end: yet it comprises various precepts, according to the diversity of the things which it directs to the end. Thus also the art of building is one according to the unity of its end, because it aims at the building of a house: and yet it contains various rules, according to the variety of acts ordained thereto.

Reply to Objection 2. As the Apostle says (1 Timothy 1:5), "the end of the commandment is charity"; since every law aims at establishing friendship, either between man and man, or between man and God. Wherefore the whole Law is comprised in this one commandment, "Thou shalt love thy neighbor as thyself," as expressing the end of all commandments: because love of one's neighbor includes love of God, when we love our neighbor for God's sake. Hence the Apostle put this commandment in place of the two which are about the love of God and of one's neighbor, and of which Our Lord said (Matthew 22:40): "On these two commandments dependeth the whole Law and the prophets."

Reply to Objection 3. As stated in Ethic. ix, 8, "friendship towards another arises from friendship towards oneself," in so far as man looks on another as on himself. Hence when it is said, "All things whatsoever you would that men should do to you, do you also to them," this is an explanation of the rule of neighborly love contained implicitly in the words, "Thou shalt love thy neighbor as thyself": so that it is an explanation of this commandment.

Article 2. Whether the Old Law contains moral precepts?

Objection 1. It would seem that the Old Law contains no moral precepts. For the Old Law is distinct from the law of nature, as stated above (91, A4,5; 98, 5). But the moral precepts belong to the law of nature. Therefore they do not belong to the Old Law.

Objection 2. Further, the Divine Law should have come to man's assistance where human reason fails him: as is evident in regard to things that are of faith, which are above reason. But man's reason seems to suffice for the moral precepts. Therefore the moral precepts do not belong to the Old Law, which is a Divine law.

Objection 3. Further, the Old Law is said to be "the letter that killeth" (2 Corinthians 3:6). But the moral precepts do not kill, but quicken, according to Psalm 118:93: "Thy justifications I will never forget, for by them Thou hast given me life." Therefore the moral precepts do not belong to the Old Law.

On the contrary, It is written (Sirach 17:9): "Moreover, He gave them discipline [Douay: 'instructions'] and the law of life for an inheritance." Now discipline belongs to morals; for this gloss on Hebrews 12:11: "Now all chastisement [disciplina]," etc., says: "Discipline is an exercise in morals by means of difficulties." Therefore the Law which was given by God comprised moral precepts.

I answer that, The Old Law contained some moral precepts; as is evident from Exodus 20:13-15: "Thou shalt not kill, Thou shalt not steal." This was reasonable: because, just as the principal intention of human law is to created friendship between man and man; so the chief intention of the Divine law is to establish man in friendship with God. Now since likeness is the reason of love, according to Sirach 13:19: "Every beast loveth its like"; there cannot possibly be any friendship of man to God, Who is supremely good, unless man become good: wherefore it is written (Leviticus 19:2; 11:45): "You shall be holy, for I am holy." But the goodness of man is virtue, which "makes its possessor good" (Ethic. ii, 6). Therefore it was necessary for the Old Law to include precepts about acts of virtue: and these are the moral precepts of the Law.

Reply to Objection 1. The Old Law is distinct from the natural law, not as being altogether different from it, but as something added thereto. For just as grace presupposes nature, so must the Divine law presuppose the natural law.

Reply to Objection 2. It was fitting that the Divine law should come to man's assistance not only in those things for which reason is insufficient, but also in those things in which human reason may happen to be impeded. Now human reason could not go astray in the abstract, as to the universal principles of the natural law; but through being habituated to sin, it became obscured in the point of things to be done in detail. But with regard to the other moral precepts, which are like conclusions drawn from the universal principles of the natural law, the reason of many men went astray, to the extend of judging to be lawful, things that are evil in themselves. Hence there was need for the authority of the Divine law to rescue man from both these defects. Thus among the articles of faith not only are those things set forth to which reason cannot reach, such as the Trinity of the Godhead; but also those to which right reason can attain, such as the Unity of the Godhead; in order to remove the manifold errors to which reason is liable.

Reply to Objection 3. As Augustine proves (De Spiritu et Litera xiv), even the letter of the law is said to be the occasion of death, as to the moral precepts; in so far as, to wit, it prescribes what is good, without furnishing the aid of grace for its fulfilment.

Article 3. Whether the Old Law comprises ceremonial, besides moral, precepts?

Objection 1. It would seem that the Old Law does not comprise ceremonial, besides moral, precepts. For every law that is given to man is for the purpose of directing human actions. Now human actions are called moral, as stated above (Question 1, Article 3). Therefore it seems that the Old Law given to men should not comprise other than moral precepts.

Objection 2. Further, those precepts that are styled ceremonial seem to refer to the Divine worship. But Divine worship is the act of a virtue, viz. religion, which, as Tully says (De Invent. ii) "offers worship and ceremony to the Godhead." Since, then, the moral precepts are about acts of virtue, as stated above (Article 2), it seems that the ceremonial precepts should not be distinct from the moral.

Objection 3. Further, the ceremonial precepts seem to be those which signify something figuratively. But, as Augustine observes (De Doctr. Christ. ii, 3,4), "of all signs employed by men words hold the first place." Therefore there is no need for the Law to contain ceremonial precepts about certain figurative actions.

On the contrary, It is written (Deuteronomy 4:13-14): "Ten words . . . He wrote in two tables of stone; and He commanded me at that time that I should teach you the ceremonies and judgments which you shall do." But the ten commandments of the Law are moral precepts. Therefore besides the moral precepts there are others which are ceremonial.

I answer that, As stated above (Article 2), the Divine law is instituted chiefly in order to direct men to God; while human law is instituted chiefly in order to direct men in relation to one another. Hence human laws have not concerned themselves with the institution of anything relating to Divine worship except as affecting the common good of mankind: and for this reason they have devised many institutions relating to Divine matters, according as it seemed expedient for the formation of human morals; as may be seen in the rites of the Gentiles. On the other hand the Divine law directed men to one another according to the demands of that order whereby man is directed to God, which order was the chief aim of that law. Now man is directed to God not only by the interior acts of the mind, which are faith, hope, and love, but also by certain external works, whereby man makes profession of his subjection to God: and it is these works that are said to belong to the Divine worship. This worship is called "ceremony" [the munia, i.e. gifts] of Ceres (who was the goddess of fruits), as some say: because, at first, offerings were made to God from the fruits: or because, as Valerius Maximus states [Fact. et Dict. Memor. i, 1, the word "ceremony" was introduced among the Latins, to signify the Divine worship, being derived from a town near Rome called "Caere": since, when Rome was taken by the Gauls, the sacred chattels of the Romans were taken thither and most carefully preserved. Accordingly those precepts of the Law which refer to the Divine worship are specially called ceremonial.

Reply to Objection 1. Human acts extend also to the Divine worship: and therefore the Old Law given to man contains precepts about these matters also.

Reply to Objection 2. As stated above (Question 91, Article 3), the precepts of the natural law are general, and require to be determined: and they are determined both by human law and by Divine law. And just as these very determinations which are made by human law are said to be, not of natural, but of positive law; so the determinations of the precepts of the natural law, effected by the Divine law, are distinct from the moral precepts which belong to the natural law. Wherefore to worship God, since it is an act of virtue, belongs to a moral precept; but the determination of this precept, namely that He is to be worshipped by such and such sacrifices, and such and such offerings, belongs to the ceremonial precepts. Consequently the ceremonial precepts are distinct from the moral precepts.

Reply to Objection 3. As Dionysius says (Coel. Hier. i), the things of God cannot be manifested to men except by means of sensible similitudes. Now these similitudes move the soul more when they are not only expressed in words, but also offered to the senses. Wherefore the things of God are set forth in the Scriptures not only by similitudes expressed in words, as in the case of metaphorical expressions; but also by similitudes of things set before the eyes, which pertains to the ceremonial precepts.

Article 4. Whether, besides the moral and ceremonial precepts, there are also judicial precepts?

Objection 1. It would seem that there are no judicial precepts in addition to the moral and ceremonial precepts in the Old Law. For Augustine says (Contra Faust. vi, 2) that in the Old Law there are "precepts concerning the life we have to lead, and precepts regarding the life that is foreshadowed." Now the precepts of the life we have to lead are moral precepts; and the precepts of the life that is foreshadowed are ceremonial. Therefore besides these two kinds of precepts we should not put any judicial precepts in the Law.

Objection 2. Further, a gloss on Psalm 118:102, "I have not declined from Thy judgments," says, i.e. "from the rule of life Thou hast set for me." But a rule of life belongs to the moral precepts. Therefore the judicial precepts should not be considered as distinct from the moral precepts.

Objection 3. Further, judgment seems to be an act of justice, according to Psalm 93:15: "Until justice be turned into judgment." But acts of justice, like the acts of other virtues, belong to the moral precepts. Therefore the moral precepts include the judicial precepts, and consequently should not be held as distinct from them.

On the contrary, It is written (Deuteronomy 6:1): "These are the precepts and ceremonies, and judgments": where "precepts" stands for "moral precepts" antonomastically. Therefore there are judicial precepts besides moral and ceremonial precepts.

I answer that, As stated above (2,3), it belongs to the Divine law to direct men to one another and to God. Now each of these belongs in the abstract to the dictates of the natural law, to which dictates the moral precepts are to be referred: yet each of them has to be determined by Divine or human law, because naturally known principles are universal, both in speculative and in practical matters. Accordingly just as the determination of the universal principle about Divine worship is effected by the ceremonial precepts, so the determination of the general precepts of that justice which is to be observed among men is effected by the judicial precepts.

We must therefore distinguish three kinds of precept in the Old Law; viz. "moral" precepts, which are dictated by the natural law; "ceremonial" precepts, which are determinations of the Divine worship; and "judicial" precepts, which are determinations of the justice to be maintained among men. Wherefore the Apostle (Romans 7:12) after saying that the "Law is holy," adds that "the commandment is just, and holy, and good": "just," in respect of the judicial precepts; "holy," with regard to the ceremonial precepts (since the word "sanctus"--"holy"--is applied to that which is consecrated to God); and "good," i.e. conducive to virtue, as to the moral precepts.

Reply to Objection 1. Both the moral and the judicial precepts aim at the ordering of human life: and consequently they are both comprised under one of the heads mentioned by Augustine, viz. under the precepts of the life we have to lead.

Reply to Objection 2. Judgment denotes execution of justice, by an application of the reason to individual cases in a determinate way. Hence the judicial precepts have something in common with the moral precepts, in that they are derived from reason; and something in common with the ceremonial precepts, in that they are determinations of general precepts. This explains why sometimes "judgments" comprise both judicial and moral precepts, as in Deuteronomy 5:1: "Hear, O Israel, the ceremonies and judgments"; and sometimes judicial and ceremonial precepts, as in Leviticus 18:4: "You shall do My judgments, and shall observe My precepts," where "precepts" denotes moral precepts, while "judgments" refers to judicial and ceremonial precepts.

Reply to Objection 3. The act of justice, in general, belongs to the moral precepts; but its determination to some special kind of act belongs to the judicial precepts.

Article 5. Whether the Old Law contains any others besides the moral, judicial, and ceremonial precepts?

Objection 1. It would seem that the Old Law contains others besides the moral, judicial, and ceremonial precepts. Because the judicial precepts belong to the act of justice, which is between man and man; while the ceremonial precepts belong to the act of religion, whereby God is worshipped. Now besides these there are many other virtues, viz. temperance, fortitude, liberality, and several others, as stated above (Question 60, Article 5). Therefore besides the aforesaid precepts, the Old Law should comprise others.

Objection 2. Further, it is written (Deuteronomy 11:1): "Love the Lord thy God, and observe His precepts and ceremonies, His judgments and commandments." Now precepts concern moral matters, as stated above (Article 4). Therefore besides the moral, judicial and ceremonial precepts, the Law contains others which are called "commandments." [The "commandments" (mandata) spoken of here and in the body of this article are not to be confused with the Commandments (praecepta) in the ordinary acceptance of the word.]

Objection 3. Further, it is written (Deuteronomy 6:17): "Keep the precepts of the Lord thy God, and the testimonies and ceremonies which I have [Vulgate: 'He hath'] commanded thee." Therefore in addition to the above, the Law comprises "testimonies."

Objection 4. Further, it is written (Psalm 118:93): "Thy justifications (i.e. "Thy Law," according to a gloss) I will never forget." Therefore in the Old Law there are not only moral, ceremonial and judicial precepts, but also others, called "justifications."

On the contrary, It is written (Deuteronomy 6:1): "These are the precepts and ceremonies and judgments which the Lord your God commanded . . . you." And these words are placed at the beginning of the Law. Therefore all the precepts of the Law are included under them.

I answer that, Some things are included in the Law by way of precept; other things, as being ordained to the fulfilment of the precepts. Now the precepts refer to things which have to be done: and to their fulfilment man is induced by two considerations, viz. the authority of the lawgiver, and the benefit derived from the fulfilment, which benefit consists in the attainment of some good, useful, pleasurable or virtuous, or in the avoidance of some contrary evil. Hence it was necessary that in the Old Law certain things should be set forth to indicate the authority of God the lawgiver: e.g. Deuteronomy 6:4: "Hear, O Israel, the Lord our God is one Lord"; and Genesis 1:1: "In the beginning God created heaven and earth": and these are called "testimonies." Again it was necessary that in the Law certain rewards should be appointed for those who observe the Law, and punishments for those who transgress; as it may be seen in Deuteronomy 28: "If thou wilt hear the voice of the Lord thy God . . . He will make thee higher than all the nations," etc.: and these are called "justifications," according as God punishes or rewards certain ones justly.

The things that have to be done do not come under the precept except in so far as they have the character of a duty. Now a duty is twofold: one according to the rule of reason; the other according to the rule of a law which prescribes that duty: thus the Philosopher distinguishes a twofold just--moral and legal (Ethic. v, 7).

Moral duty is twofold: because reason dictates that something must be done, either as being so necessary that without it the order of virtue would be destroyed; or as being useful for the better maintaining of the order of virtue. And in this sense some of the moral precepts are expressed by way of absolute command or prohibition, as "Thou shalt not kill, Thou shalt not steal": and these are properly called "precepts." Other things are prescribed or forbidden, not as an absolute duty, but as something better to be done. These may be called "commandments"; because they are expressed by way of inducement and persuasion: an example whereof is seen in Exodus 22:26: "If thou take of thy neighbor a garment in pledge, thou shalt give it him again before sunset"; and in other like cases. Wherefore Jerome (Praefat. in Comment. super Marc.) says that "justice is in the precepts, charity in the commandments." Duty as fixed by the Law, belongs to the judicial precepts, as regards human affairs; to the "ceremonial" precepts, as regards Divine matters.

Nevertheless those ordinances also which refer to punishments and rewards may be called "testimonies," in so far as they testify to the Divine justice. Again all the precepts of the Law may be styled "justifications," as being executions of legal justice. Furthermore the commandments may be distinguished from the precepts, so that those things be called "precepts" which God Himself prescribed; and those things "commandments" which He enjoined [mandavit] through others, as the very word seems to denote.

From this it is clear that all the precepts of the Law are either moral, ceremonial, or judicial; and that other ordinances have not the character of a precept, but are directed to the observance of the precepts, as stated above.

Reply to Objection 1. Justice alone, of all the virtues, implies the notion of duty. Consequently moral matters are determinable by law in so far as they belong to justice: of which virtue religion is a part, as Tully says (De Invent. ii). Wherefore the legal just cannot be anything foreign to the ceremonial and judicial precepts.

The Replies to the other Objections are clear from what has been said.

Article 6. Whether the Old Law should have induced men to the observance of its precepts, by means of temporal promises and threats?

Objection 1. It would seem that the Old Law should not have induced men to the observance of its precepts, by means of temporal promises and threats. For the purpose of the Divine law is to subject man to God by fear and love: hence it is written (Deuteronomy 10:12): "And now, Israel, what doth the Lord thy God require of thee, but that thou fear the Lord thy God, and walk in His ways, and love Him?" But the desire for temporal goods leads man away from God: for Augustine says (Qq. lxxxiii, qu. 36), that "covetousness is the bane of charity." Therefore temporal promises and threats seem to be contrary to the intention of a lawgiver: and this makes a law worthy of rejection, as the Philosopher declares (Polit. ii, 6).

Objection 2. Further, the Divine law is more excellent than human law. Now, in sciences, we notice that the loftier the science, the higher the means of persuasion that it employs. Therefore, since human law employs temporal threats and promises, as means of persuading man, the Divine law should have used, not these, but more lofty means.

Objection 3. Further, the reward of righteousness and the punishment of guilt cannot be that which befalls equally the good and the wicked. But as stated in Ecclesiastes 9:2, "all" temporal "things equally happen to the just and to the wicked, to the good and the evil, to the clean and to the unclean, to him that offereth victims, and to him that despiseth sacrifices." Therefore temporal goods or evils are not suitably set forth as punishments or rewards of the commandments of the Divine law.

On the contrary, It is written (Isaiah 1:19-20): "If you be willing, and will hearken to Me, you shall eat the good things of the land. But if you will not, and will provoke Me to wrath: the sword shall devour you."

I answer that, As in speculative sciences men are persuaded to assent to the conclusions by means of syllogistic arguments, so too in every law, men are persuaded to observe its precepts by means of punishments and rewards. Now it is to be observed that, in speculative sciences, the means of persuasion are adapted to the conditions of the pupil: wherefore the process of argument in sciences should be ordered becomingly, so that the instruction is based on principles more generally known. And thus also he who would persuade a man to the observance of any precepts, needs to move him at first by things for which he has an affection; just as children are induced to do something, by means of little childish gifts. Now it has been said above (98, A1,2,3) that the Old Law disposed men to (the coming of) Christ, as the imperfect in comparison disposes to the perfect, wherefore it was given to a people as yet imperfect in comparison to the perfection which was to result from Christ's coming: and for this reason, that people is compared to a child that is still under a pedagogue (Galatians 3:24). But the perfection of man consists in his despising temporal things and cleaving to things spiritual, as is clear from the words of the Apostle (Philippians 3:13-15): "Forgetting the things that are behind, I stretch [Vulgate: 'and stretching'] forth myself to those that are before . . . Let us therefore, as many as are perfect, be thus minded." Those who are yet imperfect desire temporal goods, albeit in subordination to God: whereas the perverse place their end in temporalities. It was therefore fitting that the Old Law should conduct men to God by means of temporal goods for which the imperfect have an affection.

Reply to Objection 1. Covetousness whereby man places his end in temporalities, is the bane of charity. But the attainment of temporal goods which man desires in subordination to God is a road leading the imperfect to the love of God, according to Psalm 48:19: "He will praise Thee, when Thou shalt do well to him."

Reply to Objection 2. Human law persuades men by means of temporal rewards or punishments to be inflicted by men: whereas the Divine law persuades men by meas of rewards or punishments to be received from God. In this respect it employs higher means.

Reply to Objection 3. As any one can see, who reads carefully the story of the Old Testament, the common weal of the people prospered under the Law as long as they obeyed it; and as soon as they departed from the precepts of the Law they were overtaken by many calamities. But certain individuals, although they observed the justice of the Law, met with misfortunes--either because they had already become spiritual (so that misfortune might withdraw them all the more from attachment to temporal things, and that their virtue might be tried)--or because, while outwardly fulfilling the works of the Law, their heart was altogether fixed on temporal goods, and far removed from God, according to Isaiah 29:13 (Matthew 15:8): "This people honoreth Me with their lips; but their hearts is far from Me."

The Summa Theologica of St. Thomas Aquinas
Second and Revised Edition, 1920
Literally translated by Fathers of the English Dominican Province
Online Edition Copyright © 2008 by Kevin Knight
Nihil Obstat. F. Innocentius Apap, O.P., S.T.M., Censor. Theol.
Imprimatur. Edus. Canonicus Surmont, Vicarius Generalis. Westmonasterii.
APPROBATIO ORDINIS
Nihil Obstat. F. Raphael Moss, O.P., S.T.L. and F. Leo Moore, O.P., S.T.L.
Imprimatur. F. Beda Jarrett, O.P., S.T.L., A.M., Prior Provincialis Angliæ

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