Twenty-five hundred years ago it might have been said that man understood himself as well as any other part of the world. Today he is the thing he understands least.

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.

Clear out all of those doubts and fears. Let the past be the past. It's time.

I started off playing the clarinet, after I was inspired by listening to my dad's Benny Goodman records.

If the Khalifah implements even one law outside of the divine law, then he will be removed. The courts will face him and he will face capital punishment and he will be removed.

It's very hard to play a hyperactive character all the time, I try my best, but I end up collapsing at the end of the day.

[She] had felt straight away that she wasn’t meeting a new friend, but recognizing an old one.

From the American retelling of Romeo and Juliet in West Side Story to the Japanese adaptation of King Lear in Ran, Shakespeare's cultural influence is virtually limitless.

Virtue hath no tongue to check vice's pride.

I would rather have my fate in the hands of 23 representative citizens of the county than in the hands of a politically appointed judge.

If the Soviet Union let another political party come into existence, they would still be a one-party state, because everybody would join the other party.

Over the last few hours I've allowed myself to feel defeated, and just like she said if you allow yourself to feel the way you really feel, maybe you won't be afraid of that feeling anymore.