Athena’s parting words are to remind Odysseus and the audience that “The Gods love the sophrones and hate the kakoi. These are two key words for Greek morality and are rather more opposed than the English words “prudent” and “bad.” The man who is sophron, is he whose thinking abilities (the phrenes) are sound, who can judge the future by the past, who keeps his strong feelings under control. Sophrosyne, the great Aristotelian virtue, is a distillation of the Greek folk wisdom exemplified in the Delphic proverbs, “Nothing in excess,” “Measure is best,” and “know thyself,” which is to say, “always...