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Summa Theologiae · III, q. 79, a. 8

Whether the Effect of This Sacrament Is Hindered by Venial Sin?

Thomas Aquinas, Summa Theologiae, Third Part, question 79, Of the Effects of This Sacrament, article 8. 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 seems that the effect of this sacrament is not hindered by venial sin. For Augustine (Tract. xxvi in Joan.), commenting on John 6:52, "If any man eat of this bread," etc., says: "Eat the heavenly bread spiritually; bring innocence to the altar; your sins, though they be daily, let them not be deadly." From this it is evident that venial sins, which are called daily sins, do not prevent spiritual eating. But they who eat spiritually, receive the effect of this sacrament. Therefore, venial sins do not hinder the effect of this sacrament.

Obj. 2: Further, this sacrament is not less powerful than Baptism. But, as stated above (Q. 69, AA. 9, 10), only pretense checks the effect of Baptism, and venial sins do not belong to pretense; because according to Wis. 1:5: "the Holy Spirit of discipline will flee from the deceitful," yet He is not put to flight by venial sins. Therefore neither do venial sins hinder the effect of this sacrament.

Obj. 3: Further, nothing which is removed by the action of any cause, can hinder the effect of such cause. But venial sins are taken away by this sacrament. Therefore, they do not hinder its effect.

On the contrary, Damascene says (De Fide Orth. iv): "The fire of that desire which is within us, being kindled by the burning coal," i.e. this sacrament, "will consume our sins, and enlighten our hearts, so that we shall be inflamed and made godlike." But the fire of our desire or love is hindered by venial sins, which hinder the fervor of charity, as was shown in the Second Part (I-II, Q. 81, A. 4; II-II, Q. 24, A. 10). Therefore venial sins hinder the effect of this sacrament.

I answer that, Venial sins can be taken in two ways: first of all as past, secondly as in the act of being committed. Venial sins taken in the first way do not in any way hinder the effect of this sacrament. For it can come to pass that after many venial sins a man may approach devoutly to this sacrament and fully secure its effect. Considered in the second way venial sins do not utterly hinder the effect of this sacrament, but merely in part. For, it has been stated above (A. 1), that the effect of this sacrament is not only the obtaining of habitual grace or charity, but also a certain actual refreshment of spiritual sweetness: which is indeed hindered if anyone approach to this sacrament with mind distracted through venial sins; but the increase of habitual grace or of charity is not taken away.

Reply Obj. 1: He that approaches this sacrament with actual venial sin, eats spiritually indeed, in habit but not in act: and therefore he shares in the habitual effect of the sacrament, but not in its actual effect.

Reply Obj. 2: Baptism is not ordained, as this sacrament is, for the fervor of charity as its actual effect. Because Baptism is spiritual regeneration, through which the first perfection is acquired, which is a habit or form; but this sacrament is spiritual eating, which has actual delight.

Reply Obj. 3: This argument deals with past venial sins, which are taken away by this sacrament.

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.