We do not choose survival as a value, it chooses us.

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 must choose between despair and Energy──I choose the latter.

It is like the seed put in the soil - the more one sows, the greater the harvest.

Selfish hedonism is not a pejorative. It is a description - an exactly accurate description of what is involved in homosexual relations.

Between the worlds of men and make believe I can be found.

We faced it and did not resist. The storm passed through us and around us. It's gone, but we remain.

Don Quixote was a song for a 1969 Michael Douglas movie called Hail Hero! I wrote the title song for the film and they also used the Don Quixote one I had submitted.

Work seemed something fundamental for man, something which enabled him to endure the aimless flight of time.

Wisdom is neither gold, nor silver, nor fame, nor wealth, nor health, nor strength, nor beauty.

Mere air, these words, but delicious to hear.

Live in thy shame, but die not shame with thee!