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

"We cannot prove that a man is free, but we can prove that he is not."

"Punishment does not eliminate behavior; it suppresses it temporarily."

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

"The struggle for freedom is not a struggle for independence from control, but for control by oneself."