Their direct experience of the twentieth century's great upheavals led these three thinkers to abandon the old models of causality that had previously accounted for human experience, and their cultural and religious background allowed them to turn to the Jewish experience of history. Jewish messianism always had to confront the experience of catastrophe, deception, and failure. Mosès shows how this tradition informed a genuine Jewish conception of history in which redemption may-or may not-occur at any moment, giving a new chance for hope by locating utopia in the heart of the present.