It’s a great book and it’s completely true. What civilization affords us is enough space in our day to play and create all the stuff that makes us human. You need to have enough goof off time in your day to dream up The Lord of the Rings, or the wheel, or written language, or relativity. It is a mark of a civilization that somebody like Geert Chatrou is able to cultivate an awesome ability to whistle (and thereby bless the world) rather than be forced into some deadly job in a bureaucracy where his gifts go unheard, crushed and ignored: