Over the past twenty-five years, Thomas Nagel has played a major role in the philosophico-biological debate on subjectivity and consciousness. This extensive collection of published essays and reviews offers Nagel's opinionated views on the philosophy of mind, epistemology, and political philosophy, as well as on fellow philosophers like Freud, Wittgenstein, Rawls, Dennett, Chomsky, Searle, Nozick, Dworkin, and MacIntyre.