According to Xenophon, Socrates tried to persuade his associate Aristippus to moderate his excessive indulgence in wine, women, and food, arguing that only hard work can bring happiness. Aristippus wasn't convinced. Instead, he and his followers espoused the most radical form of hedonism in ancient Western philosophy. Before the rise of the better known but comparatively ascetic Epicureans, the Cyrenaics pursued a way of life in which moments of pleasure, particularly bodily pleasure, held the highest value. In The Birth of Hedonism, Kurt Lampe provides the most comprehensive...