Reared on a Christian hope of redemption (he was, after all, the son of a Lutheran minister), Nietzsche was unable, finally, to accept a tragic sense of life of the kind he tried to retrieve in his early work. Yet his critique of liberal rationalism remains as forceful as ever. As he argued with masterful irony, the belief that the world can be made fully intelligible is an article of faith: a metaphysical wager, rather than a premise of rational inquiry.