This volume offers new translations of the most important of Seneca's "Moral Essays": On Anger, On Mercy, On the Private Life, and the first four books of On Favours. They give a full picture of the social and moral outlook of an ancient Stoic thinker. A General Introduction describes Seneca's life and career and explains the fundamental ideas underlying the Stoic moral, social and political philosophy in the essays. Individual introductions, footnotes and biographical notes explain their historical and philosophical contexts.