 If you want to be a good deal maker, which is really probably where most of the money at in the world, you have to become a number one master of psychology and you really have to commit to study. I read more books about psychology than I really read about business. Elon Musk is the puppet master of the world right now. He's playing chess when everybody else is playing checkers because he's a deep student of psychology. Now, to the extent he would admit that.