“Three great forces rule the world: stupidity, fear and greed.”

When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That’s relativity.

Reality is merely an illusion, albeit a very persistent one.

When you trip over love, it is easy to get up. But when you fall in love, it is impossible to stand again.

The only thing that interferes with my learning is my education.

Creativity is intelligence having fun.

What is right is not always popular and what is popular is not always right.

The only thing more dangerous than ignorance is arrogance.

Everything must be made as simple as possible. But not simpler.

You have to learn the rules of the game. And then you have to play better than anyone else.

If you want to live a happy life, tie it to a goal, not to people or objects.

The hardest thing in the world to understand is the income tax.

If we knew what it was we were doing, it would not be called research, would it?

Never memorize something that you can look up.

You never fail until you stop trying.

If you want your children to be intelligent, read them fairy tales. If you want them to be more intelligent, read them more fairy tales.

I speak to everyone in the same way, whether he is the garbage man or the president of the university

There is perhaps nothing so bad and so dangerous in life as fear.

Kabbalah helps you confront your fears. If a girl borrowed my clothes and never gave them back, and I saw her wearing them months later, I would confront her.

Worry is a cycle of inefficient thoughts whirling around a center of fear.

Where there is love, do what you will, it will be right action. It will never bring conflict to one’s life. In the flame of love, all fear is consumed.

Just for today, allow yourself to embrace all that you are every moment. Know that you are a vessel of light. Allow yourself to release all doubts about your ability, the mistakes of the past, the fear of the future.

Never be afraid to trust an unknown future to a known God.

Most days I don’t care what I wear. You’ll find me in yoga pants, a T-shirt, and sneakers almost every day. My job is to wear something nice when I work, so I enjoy doing it then. But when I don’t have to, I’d rather just wear something comfortable.

I’m not against the police; I’m just afraid of them.