The Nietzschean revolution governed the twentieth century, preaching the revaluation of all values, the privileging of interpretations over facts, the dominance of art. The 'crisis of consciousness' is our normality. Nihilism is both good and bad, in Nietzsche's view and my own. It opposes all the conventional thinking and moralistic repressions of periods before the telescreen age. But not so many people can believe in nothing, and Nietzsche wasn't one of them. What have we been believing in when we thought we weren't believing in anything? The book asserts that while Nietzsche's insights...