"I am not an atheist; I am a behaviorist."

"The world is full of things that are not my fault but nevertheless my responsibility."

"I did not direct my life. I didn't design it. I never made decisions. Things always came up and made them for me. That's what life is."

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

"The human organism is an amazing machine, but it is a machine nonetheless."