How do we naturally distinguish right from wrong? Why do we approve of some actions and condemn others, often without conscious reasoning? In this landmark work of moral philosophy, Adam Smith — best known as the father of modern economics — explores the deep psychological roots of human conscience and social harmony. Written with clarity and humane insight, The Theory of Moral Sentiments reveals how our capacity for sympathy allows us to form moral judgments, develop self-command, and build a shared sense of justice. This Modern Reader’s Edition renders Smith’s eighteenth-century prose into fresh, accessible English while preserving his original arguments and structure. With a new introduction, notes, and contextual materials, it invites contemporary readers to rediscover a timeless inquiry into the nature of virtue, propriety, and the social bonds that hold communities together. Whether you are a student of philosophy, economics, or simply curious about the foundations of ethical life, this edition makes Smith’s wisdom available as never before. Part of The Modern Wisdom Library.