A unique selection of four dialogues in which Plato considers virtue-- individual virtue as well as virtue as a whole-- and its definition. Charmides, Laches, and Lysis investigate the specific virtues of self-control, courage, and friendship. The later Meno discusses the concept of virtue asawhole, and whether it is something that can be taught. Plato is a major figure in the history of Western philosophy, and these dialogues are an essential part of his work. Robin Waterfield is an acclaimed translator of Plato, Euripedes, Plutarch, and Aristotle. The introduction and notes explain the course of the four dialogues and analyze thephilosophical importance of Socrates' questions and arguments, providing an invaluable aid to understanding for student and non-specialist alike.