This thought-provoking treatise by the Roman philosopher Lucius Annaeus Seneca, addressed to his friend Aebutius Liberalis, offers a meditation on the nature and value of ethical behavior and the role of Stoic philosophy in achieving a virtuous life. Drawing on examples from ancient and contemporary history, Seneca argues that the pursuit of virtue and the avoidance of vice are the keys to a meaningful and fulfilling life. This work has been...