Ranging widely over human history and culture, from ancient Greece to the current global economic downturn, Scruton makes a counterintuitive yet persuasive case that optimists and idealists -- with their ignorance about the truths of human nature and human society, and their naive hopes about what can be changed -- have wrought havoc for centuries. Scruton's argument is nuanced, however, and his preference for pessimism is not a dark view of human...