Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition

This landmark work of medieval scholarship unfolds as a systematic dialogue on the purpose of human life. Beginning with the fundamental question of where true happiness lies, it guides listeners through a detailed examination of the will, choice, and the passions that shape our actions. Each section is broken into concise articles that build on one another, offering clear definitions and logical steps toward understanding moral good and evil.

The translation presents the original scholastic method in an approachable style, inviting listeners to follow the author’s careful reasoning without needing prior theological background. As the discussion moves from the nature of pleasure and pain to the mechanics of love and hatred, the text remains rooted in everyday experience while exploring profound philosophical terrain. It serves as a thoughtful companion for anyone curious about the foundations of ethical thought and the lasting questions about what ultimately fulfills humanity.