Thomas Aquinas: Moral Philosophy St. Thomas Aquinas (1225-1274) involves a merger of at least two apparently disparate traditions: Aristotelian eudaimonism and Christian theology. On the one hand, Aquinas follows Aristotle in thinking that an act is good or bad depending on whether it contributes to or deters us from our proper human end—the telos or final … Continue reading Aquinas: Moral Philosophy