Part III

(Tertia Pars): From the Complete American Edition ### By Thomas, Aquinas, Saint

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Produced by Sandra K. Perry, with corrections and supplementation by David McClamrock

SUMMA THEOLOGICA

THIRD PART ["III," "Tertia Pars"]

Translated by Fathers of the English Dominican Province

BENZIGER BROTHERS NEW YORK ________________________

DEDICATION

To the Blessed Virgin Mary Immaculate Seat of Wisdom ________________________

NOTE TO THIS ELECTRONIC EDITION

The text of this electronic edition was originally produced by Sandra K. Perry, Perrysburg, Ohio, and made available through the Christian Classics Ethereal Library <http://www.ccel.org>. I have eliminated unnecessary formatting in the text, corrected some errors in transcription, and added the dedication, tables of contents, Prologue, and the numbers of the questions and articles, as they appeared in the printed translation published by Benziger Brothers. Each article is now designated by part, question number, and article number in brackets, like this:

> SECOND ARTICLE [I, Q. 49, Art. 2]

> Whether the Supreme Good, God, Is the Cause of Evil?

In a few places, where obvious errors appeared in the Benziger Brothers edition, I have corrected them by reference to a Latin text of the _Summa._ These corrections are indicated by English text in brackets. For example, in