I never teach my pupils, I only attempt to provide the conditions in which they can learn.

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

Beware of more powerful weapons. They often inflict as much damage to your soul as they do to you enemies.

Auto racing is boring except when a car is going at least 172 miles per hour upside down.

I guess I'm breaking out a little of what's comfortable and easy.

That judges of important causes should hold office for life is a questionable thing, for the mind grows old as well as the body.

It was frightening because it was the first time I had gotten a sense of how serious the problem was. It became clear from his notes that he felt the president himself was involved.

You have to draw on your unconscious when you make a film - you can't worry about whether it's costing a lot of money.

The sea had jeeringly kept his finite body up, but drowned the infinite of his soul.

The ideas by which people . . . interpret their existence and in measure guide their behavior, were not forged in a world of wealth.

I always say that my favorite game was Original Adventure, published by both Microsoft and Apple Computer back in 1980.

Well I've had a happy life.