"The first principle of science is that you must not fool yourself and you are the easiest person to fool."

"I have a great deal of difficulty with the idea of 'truth' in the philosophical sense."

"Fall in love with some activity, and do it! Nobody ever figures out what life is all about, and it doesn't matter. Explore the world. Nearly everything is really interesting if you go into it deeply e…"

"What do you care what other people think?"

"The world is full of people who are trying to figure out what's going on, and they're all wrong."