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Summa Theologiae · III, q. 8, a. 2

Whether Christ Is the Head of Men As to Their Bodies or Only As to Their Souls?

Thomas Aquinas, Summa Theologiae, Third Part, question 8, Of the Grace of Christ, as He Is the Head of the Church, article 2. About 2 min.

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Text: Summa Theologiae, Project Gutenberg #19950, Third Part (Tertia Pars), translated by the Fathers of the English Dominican Province. The Third Part of the Summa in the English Dominican translation (first printed 1911 to 1925; second and revised edition from 1920). A sample check on 2026-11-09 against pre-1931 printings at the Internet Archive (first printings of 1915 and 1916 and the second and revised edition of the 1920s) found that the article text matches, with no 1947 introduction, synopsis, or index. The phrase “From the Complete American Edition” in Gutenberg's catalog title is a provenance note only. Question and article numbers were added by the transcriber. The Gutenberg text ends at question 90 of the Third Part, where Aquinas stopped writing; the Supplement is a separate edition here, transcribed from 1917 to 1922 printings of the same translation. Rights: Public domain (US)

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Objection 1: It would seem that Christ is not the Head of men as to their bodies. For Christ is said to be the Head of the Church inasmuch as He bestows spiritual sense and the movement of grace on the Church. But a body is not capable of this spiritual sense and movement. Therefore Christ is not the Head of men as regards their bodies.

Obj. 2: Further, we share bodies with the brutes. If therefore Christ was the Head of men as to their bodies, it would follow that He was the Head of brute animals; and this is not fitting.

Obj. 3: Further, Christ took His body from other men, as is clear from Matt. 1 and Luke 3. But the head is the first of the members, as was said above (A. 1, ad 3). Therefore Christ is not the Head of the Church as regards bodies.

On the contrary, It is written (Phil. 3:21): "Who will reform the body of our lowness, made like to the body of His glory."

I answer that, The human body has a natural relation to the rational soul, which is its proper form and motor. Inasmuch as the soul is its form, it receives from the soul life and the other properties which belong specifically to man; but inasmuch as the soul is its motor, the body serves the soul instrumentally. Therefore we must hold that the manhood of Christ had the power of influence, inasmuch as it is united to the Word of God, to Whom His body is united through the soul, as stated above (Q. 6, A. 1). Hence the whole manhood of Christ, i.e. according to soul and body, influences all, both in soul and body; but principally the soul, and secondarily the body: First, inasmuch as the "members of the body are presented as instruments of justice" in the soul that lives through Christ, as the Apostle says (Rom. 6:13): secondly, inasmuch as the life of glory flows from the soul on to the body, according to Rom. 8:11: "He that raised up Jesus from the dead shall quicken also your mortal bodies, because of His Spirit that dwelleth in you."

Reply Obj. 1: The spiritual sense of grace does not reach to the body first and principally, but secondarily and instrumentally, as was said above.

Reply Obj. 2: The body of an animal has no relation to a rational soul, as the human body has. Hence there is no parity.

Reply Obj. 3: Although Christ drew the matter of His body from other men, yet all draw from Him the immortal life of their body, according to 1 Cor. 15:22: "And as in Adam all die, so also in Christ all shall be made alive."

Also online, linked only: the same translation at New Advent and the Latin text at Corpus Thomisticum. Neither is copied here.

Source: Thomas Aquinas. Summa Theologica, Third Part. Project Gutenberg #19950. Project Gutenberg record. Public domain in the USA. Outside the U.S., check local copyright rules. Project Gutenberg notices retained. The full Project Gutenberg license is kept in the hosted text.