"The ideal of a free man is not a man who is free from control, but a man who is controlled by himself."

"What is love except another name for the use of positive reinforcement? Or vice versa."

"I am sometimes accused of having left something out of account in my analysis of human behavior, and I usually admit it. I have left out the mind."

"Morality is a social construct enforced by punishment and reward."

"Man is a machine in the sense that he is a complex system behaving in lawful ways."