In this highly original work, Robert Nozick develops new views on philosophy's central topics and weaves them into a unified philosophical perspective. It is many years since a major work in English has ranged so widely over philosophy's fundamental concerns: the identity of the self, knowledge and skepticism, free will, the question of why there is something rather than nothing, the foundations of ethics, the meaning of life. Writing in a distinctive and personal philosophical voice, Mr. Nozick presents a new mode of philosophizing. In place of the usual semi-coercive philosophical goals of proof, of forcing people to accept conclusions, this book seeks philosophical explanations and understanding, and thereby stays truer to the original motivations for being interested in philosophy. Combining new concepts, daring hypotheses, rigorous reasoning, and playful exploration, the book exemplifies how philosophy can be part of the humanities.

Repeatedly and successfully, the celebrated Harvard philosopher Robert Nozick has reached out to a broad audience beyond the confines of his discipline, addressing ethical and social problems that matter to every thoughtful person. Here, Nozick continues his search for the connections between philosophy and "ordinary" experience. In the lively and accessible style that his readers have come to expect, he offers a bold theory of rationality, the one characteristic deemed to fix humanity's "specialness." What are principles for? asks Nozick. We could act simply on whim, or maximize our self-interest and recommend that others do the same. As Nozick explores rationality of decision and rationality of belief, he shows how principles actually function in our day-to-day thinking and in our efforts to live peacefully and productively with each other. Throughout, the book combines daring speculations with detailed investigations to portray the nature and status of rationality and the essential role that imagination plays in this singular human aptitude.

In this brilliant and widely acclaimed book, winner of the 1975 National Book Award, Robert Nozick challenges the most commonly held political and social positions oaf our age--liberal, socialist, and conservative.