"If you can't be criticized, that's very dangerous."

“Not at all. I would like for them to have changed, that there be new knowledge that says that your nurture is much more important than nature. But I haven’t seen any knowledge. And there’s a difference on the average between blacks and whites on I.Q. tests. I would say the difference is, it’s genetic.”

“Science Ph.D. students have effectively become serfs. And who would become a serf when you can work for Goldman Sachs and get paid $300,000 a year to become a serf? Why drive a Chevy when you can drive a BMW — and now you're condemned to driving a car from Malaysia or something. Life should be fun.”

“No one really wants to admit I exist.”

“To make a huge success, a scientist must be prepared to get into deep trouble. Sometime or another, someone will tell you that you are not ready to do something. … If you are going to make a big jump in science, you will very likely be unqualified to succeed by definition. The truth, however, won't save you from criticism. Your very willingness to take on a very big goal will offend some people who will think that you are too big for your britches and crazy to boot.”

“There is only one science, physics: everything else is social work.”

“If you could make people with ten-point-higher IQs, we'd probably have fewer wars.”