SECOND ARTICLE [III, Q. 70, Art. 2]

Whether Circumcision Was Instituted in a Fitting Manner?

Objection 1: It seems that circumcision was instituted in an

unfitting manner. For as stated above (A. 1) a profession of faith

was made in circumcision. But none could ever be delivered from the

first man's sin, except by faith in Christ's Passion, according to

Rom. 3:25: "Whom God hath proposed to be a propitiation, through

faith in His blood." Therefore circumcision should have been

instituted forthwith after the first man's sin, and not at the time

of Abraham.

Obj. 2: Further, in circumcision man made profession of keeping the

Old Law, just as in Baptism he makes profession of keeping the New

Law; wherefore the Apostle says (Gal. 5:3): "I testify . . . to every

man circumcising himself, that he is a debtor to do the whole Law."

But the observance of the Law was not promulgated at the time of

Abraham, but rather at the time of Moses. Therefore it was unfitting

for circumcision to be instituted at the time of Abraham.

Obj. 3: Further, circumcision was a figure of, and a preparation for,

Baptism. But Baptism is offered to all nations, according to Matt.

28:19: "Going . . . teach ye all nations, baptizing them." Therefore

circumcision should have been instituted as binding, not the Jews

only, but also all nations.

Obj. 4: Further, carnal circumcision should correspond to spiritual

circumcision, as the shadow to the reality. But spiritual

circumcision which is of Christ, regards indifferently both sexes,

since "in Christ Jesus there is neither male nor female," as is

written Col. 3 [*Gal. 3:28]. Therefore the institution of

circumcision which concerns only males, was unfitting.

_On the contrary,_ We read (Gen. 17) that circumcision was instituted

by God, Whose "works are perfect" (Deut. 32:4).

_I answer that,_ As stated above (A. 1) circumcision was a

preparation for Baptism, inasmuch as it was a profession of faith in

Christ, which we also profess in Baptism. Now among the Fathers of

old, Abraham was the first to receive the promise of the future birth

of Christ, when it was said to him: "In thy seed shall all the

nations of the earth be blessed" (Gen. 22:18). Moreover, he was the

first to cut himself off from the society of unbelievers, in

accordance with the commandment of the Lord, Who said to him (Gen.

13:1): "Go forth out of thy country and from thy kindred." Therefore

circumcision was fittingly instituted in the person of Abraham.

Reply Obj. 1: Immediately after the sin of our first parent, on

account of the knowledge possessed by Adam, who was fully instructed

about Divine things, both faith and natural reason flourished in man

to such an extent, that there was no need for any signs of faith and

salvation to be prescribed to him, but each one was wont to make

protestation of his faith, by outward signs of his profession,

according as he thought best. But about the time of Abraham faith was

on the wane, many being given over to idolatry. Moreover, by the

growth of carnal concupiscence natural reason was clouded even in

regard to sins against nature. And therefore it was fitting that

then, and not before, circumcision should be instituted, as a

profession of faith and a remedy against carnal concupiscence.

Reply Obj. 2: The observance of the Law was not to be promulgated

until the people were already gathered together: because the law is

ordained to the public good, as we have stated in the Second Part

(I-II, Q. 90, A. 2). Now it behooved the body of the faithful to be

gathered together by a sensible sign, which is necessary in order

that men be united together in any religion, as Augustine says

(Contra Faust. xix). Consequently, it was necessary for circumcision

to be instituted before the giving of the Law. Those Fathers,

however, who lived before the Law, taught their families concerning

Divine things by way of paternal admonition. Hence the Lord said of

Abraham (Gen. 18:19): "I know that he will command his children, and

his household after him to keep the way of the Lord."

Reply Obj. 3: Baptism contains in itself the perfection of salvation,

to which God calls all men, according to 1 Tim. 2:4: "Who will have

all men to be saved." Wherefore Baptism is offered to all nations. On

the other hand circumcision did not contain the perfection of

salvation, but signified it as to be achieved by Christ, Who was to

be born of the Jewish nation. For this reason circumcision was given

to that nation alone.

Reply Obj. 4: The institution of circumcision is as a sign of

Abraham's faith, who believed that himself would be the father of

Christ Who was promised to him: and for this reason it was suitable

that it should be for males only. Again, original sin, against which

circumcision was specially ordained, is contracted from the father,

not from the mother, as was stated in the Second Part (I-II, Q. 81,

A. 5). But Baptism contains the power of Christ, Who is the universal

cause of salvation for all, and is "The Remission of all sins"

(Post-Communion, Tuesday in Whitweek).

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Summa Theologica, Part III (Tertia Pars) From the Complete American Edition · 第 492 / 654 题