An authorized translation from "Le Thomisme" by Etienne Gilson. The revival of interest in the name and work of St. Thomas Aquinas is a fact which is bound to impress even the most superficial observer. Contents: man and his environment; faith and reason; alleged evidence for the existence of God; first proof of the existence of God; four other proofs of the existence of God; divine attributes; creation; angels; corporeal world and the efficacy of secondary causes; union of soul and body; powers of the soul; intellect and rational knowledge; knowledge and truth; appetite and will; human act; last end; spirit of Thomistic philosophy.