This study of Plato's ethics focuses on the concept of virtue. Based on detailed readings of the most prominent Platonic dialogues on virtue, it argues that there is a central yet previously unnoticed conceptual distinction in Plato between the idea of virtue as the supreme aim of one's actions and the determination of which action-tokens or -types are virtuous. Appreciating the 'aiming/determining distinction' provides detailed and mutually consistent readings of the most well-known Platonic dialogues on virtue as well as original interpretations of central Platonic questions. Unlike most...