Just as there are rational requirements on thought, there are rational requirements on action. This book defends a conception of ethics, and a related conception of human nature, according to which altruism is included among the basic rational requirements on desire and action.
"An extremely tough, polished, and altogether stimulating piece of work."--New York Review of Books
"Nagel's book is not a criticism of anybody else's book, nor a footnote to anybody else's theory. It is independent and clear, and very original."--Times Literary Supplement
"This is a powerful and challenging work, skilfully organised and presented with economy, clarity, and style."--Bernard Mayo, Philosophical Books
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