In Auguste Comte and Positivism, John Stuart Mill offers a careful, incisive examination of the ideas of Auguste Comte, the founder of positivism and one of the architects of modern sociology. Mill approaches Comte with both admiration and critical distance. He recognizes the power of Comte’s vision—his “law of the three stages,” his ambition to ground society in scientific principles, and his effort to create a unified system of knowledge. Yet Mill does not hesitate to question what he sees as the authoritarian and quasi-religious tendencies within Comte’s later thought. Balancing respect with philosophical rigor, Mill’s study becomes more than a commentary on one thinker; it evolves into a profound reflection on the limits of science, the nature of liberty, and the future of modern society.A lucid and penetrating dialogue between two giants of nineteenth-century thought—essential reading for anyone interested in philosophy, sociology, and the foundations of modern political ideas.