This collection of writings from Pierre Hadot (1992-2010) presents, for the first time, previously unreleased and in some cases untranslated materials from one of the world's most prominent classical philosophers and historians of thought. As a passionate proponent of philosophy as a 'way of life' (most powerfully communicated in the life of Socrates), Pierre Hadot rejuvenated interest in the ancient philosophers and developed a philosophy based on their work which is peculiarly contemporary. His radical recasting of philosophy in the West was both provocative and substantial. Indeed, Michel Foucault cites Pierre Hadot as a major influence on his work. This beautifully written, lucid collection of writings will not only be of interest to historians, classicists and philosophers but also those interested in nourishing, as Pierre Hadot himself might have put it, a 'spiritual life'.