St. Thomas Aquinas’s best-known works, all written in Latin, included the theological treatises Summa contra gentiles (c. 1258–64) and Summa theologiae (1265/66–73, left incomplete at his death); commentaries on Aristotle’s De anima (On the Soul) and Nichomachean Ethics; and philosophical works such as De ente et essentia (before 1256; Being and Essence).
St. Thomas Aquinas Article
What did St. Thomas Aquinas write?
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