The extent to which human aggression exemplifies innate tendencies is not clear.

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.

I think that my leadership style is to get people to fear staying in place, to fear not changing.

When the State withers, humanity flowers.

There is so much love out there, and love brings hope.

Every film has challenges and all of us are doing it together, all the cast is doing it together so you keep each other motivated I guess and keep each other in check.

The days, months, and years eventually reveal, like a Polaroid, a clear picture of how significant events and decisions ultimately shape our lives.

A man who doesn't spend time with his family can never be a real man.

I'm not here to discuss the past. I'm here to be positive...

I don't say we all ought to misbehave, but we ought to look as if we could.

From being a young kid I was always drawing and painting, usually stuff like private parts or bloody images but always with a comedy twist to it.

The longer we dwell on our misfortunes, the greater is their power to harm us