"The only geniuses produced by the chaos of society are those who do something about it. Chaos breeds geniuses. It offers a man something to be a genius about."

"The science of behavior is not interested in what goes on inside the organism, but in what the organism does."

"The problem with Freud is that he didn't have any data."

"The way positive reinforcement is carried out is more important than the amount."

"The majority of people don't want to plan. They want to be free from the responsibility of planning."