The late Leszek Kolakowski was one of the most influential philosophers of the twentieth century. A prominent anticommunist writer, Kolakowski was also a deeply humanistic thinker, and his meditations on society, religion, morality, and culture stand alongside his political writings as commentaries on intellectual--and everyday--life in the twentieth century. Kolakowski's extraordinary empathy, humor, and erudition are on full display in Is...