"I deny that I have ever attacked anyone's dignity. I have attacked the concept of dignity as a causal agent."

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

"A person who has been punished is not thereby simply less inclined to behave in a given way; at best, he learns how to avoid punishment."

"The experimental analysis of behavior is a natural science, a branch of biology."

"The way in which we think about the causes of human behavior has changed in a way that suggests that we are at an early stage of a scientific revolution."