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Summa Theologiae · Suppl., q. 29, a. 5

Whether the oil ought to be consecrated?

Thomas Aquinas, Summa Theologiae, Supplement, question 29, Of Extreme Unction, as Regards Its Essence and Institution, article 5. About 2 min.

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From the Supplement, compiled after Aquinas’s death from his Commentary on the Sentences and transcribed here from the 1917 to 1922 printings. About the Supplement.

Text: Summa Theologiae, Supplement to the Third Part (Supplementum Tertiae Partis), transcribed from Internet Archive scans, translated by the Fathers of the English Dominican Province. The Supplement, compiled after Aquinas’s death from his earlier Commentary on the Sentences, in the same English Dominican translation as the Gutenberg Parts. Transcribed by Bibliotheca Catholica from the OCR of four Internet Archive scans of the pre-1931 printings (Questions 1 to 33 from the 1917 Washbourne and Benziger volume, 34 to 68 from the 1922 volume, 69 to 86 from the 1921 volume, and 87 to 99 from the 1922 Benziger volume), with OCR errors corrected and doubtful passages marked, not rewritten. 99 questions and 446 articles. The two appendices printed after Question 99 are not included. Sources, SHA-256 of each OCR file, and the method are in the source record. Rights: Public domain (US)

The Supplement is not a Project Gutenberg text. It is Bibliotheca Catholica’s transcription of public-domain scans at the Internet Archive; obvious OCR errors were corrected, and passages marked “OCR uncertain” could not be confidently corrected, so check them against the linked scan page.

Objection 1: It seems that the oil need not be consecrated. Because there is a sanctification in the use of this sacrament, through the form of words. Therefore another sanctification is superfluous if it be applied to the matter.

Obj. 2: Further, The efficacy and signification of the sacraments are in their very matter. But the signification of the effect of this sacrament, is suitable to oil on account of its natural properties, and the efficacy thereof is due to the Divine institution. Therefore its matter does not need to be sanctified.

Obj. 3: Further, Baptism is a more perfect sacrament than Extreme Unction. But, so far as the essentials of the sacrament are concerned, the baptismal matter needs no sanctification. Neither therefore does the matter of Extreme Unction need to be sanctified.

On the contrary, In all other anointings the matter is previously consecrated. Therefore since this sacrament is an anointing, it requires consecrated matter.

I answer that, Some hold that mere oil is the matter of this sacrament, and that the sacrament itself is perfected in the consecration of the oil by the bishop. But this is clearly false since we proved when treating of the Eucharist that that sacrament alone consists in the consecration of the matter. (Q. Il., A. i. ad 2.)

We must therefore say that this sacrament consists in the anointing itself, just as Baptism consists in the washing, and that the matter of this sacrament is consecrated oil. Three reasons may be assigned why consecrated matter is needed in this sacrament and in certain others. The first is that all sacramental efficacy is derived from Christ: wherefore those sacraments which He Himself used, derived their efficacy from His use of them, even as, by the contact of His flesh, He bestowed the force of regeneration on the waters. But He did not use this sacrament, nor any bodily anointing, wherefore in all anointings a consecrated matter is required. The second reason is that this sacrament confers a plenitude of grace, so as to take away not only sin but also the remnants of sin, and bodily sickness. The third reason is that its effect on the body, viz. bodily health, is not caused by a natural property of the matter; wherefore it has to derive this efficacy from being consecrated.

Reply Obj. 1: The first consecration sanctifies the matter in itself, but the second regards rather the use of the matter considered as actually producing its effect. Hence neither is superfluous, because instruments also receive their efficacy from the craftsman, both when they are made, and when they are used for action.

Reply Obj. 2: The efficacy which the sacrament derives from its institution, is applied to this particular matter when it is consecrated.

The Reply to the Third Objection is gathered from what has been said.

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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, Supplement to the Third Part. Internet Archive scans: Third Part, Fourth Number (QQ. LXXXIV to Suppl. XXXIII), 1917, Third Part (Supplement), QQ. XXXIV to LXVIII, 1922, Third Part (Supplement), QQ. LXIX to LXXXVI, 1921, and Third Part (Supplement), QQ. LXXXVII to XCIX and Appendices, 1922; two curled pages of the 1921 volume are read from another scan of the same printing. Public domain in the USA. Printed in 1917, 1921, and 1922, before 1931. Outside the U.S., check local copyright rules. Transcription, OCR file checksums, and method: source record.