In this volume, George Stock provides a concise primer on Stoicism, the ancient philosophy that maintained that the universe is governed entirely by fate, and that humans can achieve happiness only by cultivating a calm acceptance of the vicissitudes of life. Among the Stoics of the Greek and Roman world were its founder, Zeno, the former slave Epictetus, and the Roman emperor Marcus Aurelius. George Stock discusses not only the Stoic ethics, but also less well-known aspects of Stoicism, such as its division of the branches of philosophy, its account of logic, and its natural philosophy.