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Summa Theologiae · III, q. 30, a. 1

Whether It Was Necessary to Announce to the Blessed Virgin That Which Was to Be Done in Her?

Thomas Aquinas, Summa Theologiae, Third Part, question 30, Of the Annunciation of the Blessed Virgin, article 1. About 3 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 it was unnecessary to announce to the Blessed Virgin that which was to be done in her. For there seems to have been no need of the Annunciation except for the purpose of receiving the Virgin's consent. But her consent seems to have been unnecessary: because the Virginal Conception was foretold by a prophecy of "predestination," which is "fulfilled without our consent," as a gloss says on Matt. 1:22. There was no need, therefore, for this Annunciation.

Obj. 2: Further, the Blessed Virgin believed in the Incarnation, for to disbelieve therein excludes man from the way of salvation; because, as the Apostle says (Rom. 3:22): "The justice of God (is) by faith of Jesus Christ." But one needs no further instruction concerning what one believes without doubt. Therefore the Blessed Virgin had no need for the Incarnation of her Son to be announced to her.

Obj. 3: Further, just as the Blessed Virgin conceived Christ in her body, so every pious soul conceives Him spiritually. Thus the Apostle says (Gal. 4:19): "My little children, of whom I am in labor again, until Christ be formed in you." But to those who conceive Him spiritually no announcement is made of this conception. Therefore neither should it have been announced to the Blessed Virgin that she was to conceive the Son of God in her womb.

On the contrary, It is related (Luke 1:31) that the angel said to her: "Behold, thou shalt conceive in thy womb, and shalt bring forth a son."

I answer that, It was reasonable that it should be announced to the Blessed Virgin that she was to conceive Christ. First, in order to maintain a becoming order in the union of the Son of God with the Virgin--namely, that she should be informed in mind concerning Him, before conceiving Him in the flesh. Thus Augustine says (De Sancta Virgin. iii): "Mary is more blessed in receiving the faith of Christ, than in conceiving the flesh of Christ"; and further on he adds: "Her nearness as a Mother would have been of no profit to Mary, had she not borne Christ in her heart after a more blessed manner than in her flesh."

Secondly, that she might be a more certain witness of this mystery, being instructed therein by God.

Thirdly, that she might offer to God the free gift of her obedience: which she proved herself right ready to do, saying: "Behold the handmaid of the Lord."

Fourthly, in order to show that there is a certain spiritual wedlock between the Son of God and human nature. Wherefore in the Annunciation the Virgin's consent was besought in lieu of that of the entire human nature.

Reply Obj. 1: The prophecy of predestination is fulfilled without the causality of our will; not without its consent.

Reply Obj. 2: The Blessed Virgin did indeed believe explicitly in the future Incarnation; but, being humble, she did not think such high things of herself. Consequently she required instruction in this matter.

Reply Obj. 3: The spiritual conception of Christ through faith is preceded by the preaching of the faith, for as much as "faith is by hearing" (Rom. 10:17). Yet man does not know for certain thereby that he has grace; but he does know that the faith, which he has received, is true.

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.