"Appiah is a writer and thinker of remarkable range... He] has packed into this short book an impressive amount of original reflection... A rich and illuminating book."
--Thomas Nagel, New York Review of Books
Idealization is a fundamental feature of human thought. We build simplified models in our scientific research and utopias in our political imaginations. Concepts like belief, desire, reason, and justice are bound up with idealizations and ideals. Life is a constant adjustment...