"I am sometimes asked, 'Do you think of yourself as you think of the organisms you study?' The answer is yes."

"We must design a culture in which men will behave in ways that are good for them."

"I did not attack 'free will.' I attacked a traditional concept of 'free will' which is no longer tenable."

"The way to build a better world is not to create better people, but to create better environments."

"We do not act because of our feelings; we feel because we act."