"No one asks how to motivate a baby. A baby naturally explores everything it can get at, unless restraining forces have already been at work. And what is true of the baby is true of the scientist."

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

"There is no such thing as a free will."

"Give me a child and I'll shape him into anything."

"The only way to tell if a person is honest is to observe their behavior."