The question of life, Michael Naas argues, though rarely foregrounded by Plato, runs through and structures his thought. By characterizing being in terms of life, Plato in many of his later dialogues, including the Statesman , begins to discover--or, better, to invent--a notion of true or real life that would be opposed to all merely biological or animal life, a form of life that would be more valuable than everything we call life and every life that...