By
St. Thomas Aquinas
Translated by
Cyril Vollert, S.F., S.T.D.
PROFESSOR OF THEOLOGY
ST. MARY'S COLLEGE, ST. MARYS, KANSAS
THE SCHOOL OF DIVINITY OF ST. LOUIS UNIVERSITY
B. HERDER BOOK CO.
15 & 17 SOUTH BROADWAY, ST. LOUIS 2, MO.
AND
33 QUEEN SQUARE, LONDON, W. C.
1952
ALL RIGHTS RESERVED
Printed in U.S.A.
IMPRIMI POTEST
Joseph P. Zuercher, S.J.,
Praepositus Provincialis
Provinciae Missourianae
NIHIL OBSTAT
G. H. Guyot, C.M.,
Censor Librorum
IMPRIMATUR
(+) Joseph E. Ritter, S.T.D.,
Archiepiscopus
Sti. Ludovici, die 18 Novembris, 1947
Dedicated by the Author
to Brother Reginald, His Friend and Companion
and by the Translator
to His Mother and Father