If one owns and nervous system and cares deeply about the world and how things operate this is a must-read owners manual for all who have a nervous system and thinks it matters. It seems to me that this extraordinary it elect, neuroscientist, paleontologist, Stanford University, and great human being, decided to share with us what he has had to come to understand to make any sense of the world and the human beings in it. He is a wonderful writer. Every relevant discipline from Neuroscience to Sociology to evolutionary biology, psychology on and on and on, highly cited, writing that is brilliant, a reflection of his great Humanity.