“The subject of Aristotle\u27s Nicomachean Ethics is desires and their ends, and at the center of the different relations between desires and ends stands the mysterious idea of an action being its own end. I propose to clarify that idea by an account which proceeds along quite different lines from the argument of the Ethics and which uses a decidedly un-Aristotelean vocabulary, hoping that such changes will make intelligible an otherwise perplexing idea. My procedure is quite different from Aristotle\u27s because I offer a genetic account which makes ends in themselves the outcome of a history. My language is different from Aristotle\u27s because, while I use Aristotle\u27s technical vocabulary of kinesis and energeia, poesis and praxis, I ...