Ancient philosophy was conceived as a way of life or an art of living, but if ancient philosophers did think that philosophy should transform an individual's way of life, then what conception of philosophy stands behind this claim? John Sellars explores this question through a detailed account of ancient Stoic ideas about the nature and function of philosophy. He considers the Socratic background to Stoic thinking about philosophy and Sceptical objections raised by Sextus Empiricus, and of...