Aristotle frequently emphasizes the importance of pleasure to human life and therefore to his study of how we should live (see for example 1099a7–20 and 1104b3–1105a16), but his full-scale examination of the nature and value of pleasure is found in two places: VII.11–14 and X.1–5. It is odd that pleasure receives two lengthy treatments; no other topic in the Ethics is revisited in this way. Book VII of the Nicomachean Ethics is identical to Book VI of the Eudemian Ethics; for unknown reasons, th