Socrates, Philebus and Protarchus ask whether the good life consists in pleasure or in wisdom, and work toward a carefully measured mixture of the two. Along the way Plato sorts pleasures into true and false, pure and mixed. One of the later dialogues, translated with an introduction and analysis by Benjamin Jowett.
Essential for anyone tracing the long argument about pleasure and the good from Plato to Mill. Download the free EPUB.