Summa Theologiae · I, q. 77
Question 77. Of Those Things Which Belong to the Powers of the Soul in General
Thomas Aquinas, Summa Theologiae, First Part. 8 articles.
Text: Summa Theologiae, Project Gutenberg #17611, First Part (Prima Pars), translated by the Fathers of the English Dominican Province. The First 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. Rights: Public domain (US)
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We proceed to consider those things which belong to the powers of the soul; first, in general, secondly, in particular. Under the first head there are eight points of inquiry:
(1) Whether the essence of the soul is its power?
(2) Whether there is one power of the soul, or several?
(3) How the powers of the soul are distinguished from one another?
(4) Of the orders of the powers, one to another;
(5) Whether the powers of the soul are in it as in their subject?
(6) Whether the powers flow from the essence of the soul?
(7) Whether one power rises from another?
(8) Whether all the powers of the soul remain in the soul after death?