"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."

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

"The world would be a better place if we gave up the notion of individual responsibility."

"The only way to do great work is to love what you do."

"We are not responsible for our behavior, but we are responsible for the environment that controls it."