When we say that a man controls himself, we must specify who is controlling whom.

A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.

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.

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

The major difference between rats and people is that rats learn from experience.

Education is what survives when what has been learned has been forgotten.

Behavior is determined by its consequences.

That's all teaching is; arranging contingencies which bring changes in behavior.

Behavior is shaped and maintained by its consequences

The way positive reinforcement is carried out is more important than the amount.

It is not a question of starting. The start has been made. It's a question of what's to be done from now on.

There are many days when all the awful things that happen make you sick at heart, when the path before you is so steep you can’t bear to look. Not even love can rescue a person from that.

The body is more than the temple of the soul. It’s the grounded celebration of its rapture.

Sport is imposing order on what was chaos.

Film is different for me now. If the money is good and it's not totally revolting, I'll do it

I think [Vladimir] Putin probably assumes he can't make a deal with me anymore because politically it would be unpopular for a politician to be making a deal.

I am an eye. I am a mechanical eye. I, a machine, I am showing you a world, the likes of which only I can see

Emo always meant emotional. Any kind of art or music should be emotional. If its not, than it's pretty much just a jingle selling bleach or pizza.

Sometimes people don't notice the things others do for them until they stop doing them.

Holy joy will be oil to the wheels of our obedience.

Michael Jackson fundamentally altered the terms of the debate about African American music.