I will be dead in a few months. But it hasn't given me the slightest anxiety or worry. I always knew I was going to die.

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.

The priceless gifts (life, love, joy, goodness, family, nature) are freely given by the Creator.

It's not a person's depth you must discover, but their ascent. Find their path from depth to ascent.

Anyone can produce a new fact

Jealousy is only hurt ego. Revenge is meaningless. Life is abstract. There is no point other than pleasure.

Life is a tragedy when seen in close-up, but a comedy in long-shot.

I don't think Israel can accept an Iranian terror base next to its major cities any more than the United States could accept an al Qaeda base next to New York City.

The meaning of life can be revealed but never explained.

... giving up alcohol or cigarettes is a lead-pipe cinch compared to the renunciation of complacence by a former (self-appointed) elite.

It's surprising how soon you can get used to having money. It's much easier than getting used to not having it.

The Democrat Party, particularly with demographic shifts taking, would love to get rid of the Electoral College.