This book challenges with several powerful arguments some of our deepest beliefs about rationality morality & personal identity The author claims that we have a false view of our own nature; that it is often rational to act against our own best interests; that most of us have moral views that are directly self-defeating; & that when we consider future generations the conclusions will often be disturbing He concludes that moral non-religious moral philosophy is a young subject with a promising but unpredictable future