In 1831 French aristocrat Alexis de Tocqueville came to the United States to investigate its prison system. America was then a nation of 13 million people populating 24 states, with a largely unsettled territorial claim stretching westward to the Pacific. Seriously distracted from his original mission, the 25-year-old Tocqueville ended up writing about America's people, culture, history, geography, politics, legal system, and economy in ways so insightful and prophetic that today historian...

Written in Greek, without any intention of publication, by the only Roman emperor who was also a philosopher, the Meditations of Marcus Aurelius (AD 121-180) offer a remarkable series of challenging spiritual reflections and exercises developed as the emperor struggled to understand himself and make sense of the universe. Ranging from doubt and despair to conviction and exaltation, they cover such diverse topics as the nature of moral virtue, human rationality, divine providence, and Marcu...

On Liberty Audiobook is a philosophical work by English philosopher John Stuart Mill, originally intended as a short essay. The work, published in 1859, applies Mill's ethical system of utilitarianism to society and the state. Mill attempts to establish standards for the relationship between authority and liberty. He emphasizes the importance of individuality which he conceived as a prerequisite to the higher pleasures—the summum bonum of Utilitarianism. Furthermore, Mill criticized the er...