WHAT IS THE SOURCE OF PLEASURE? Is pleasure the source of the good--or of truth? Or is truth the key to pleasure and goodness? If not, why not? And, after all, how should we live? Apparently Plato and Socrates sometimes had opposed (or at least contrasting) views--even though all we know of Socrates we get from Plato's dialogues. Modern philosophers are still trying to sort out these matters; and here is a report from a big recent session in which they went at that task yet once more.