We are trapped by language to such a degree that every attempt to formulate insight is a play on words.

A physicist is just an atom's way of looking at itself.

Everything we call real is made of things that cannot be regarded as real.

If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.

An expert is a man who has made all the mistakes which can be made, in a narrow field.

When we measure something we are forcing an undetermined, undefined world to assume an experimental value. We are not measuring the world, we are creating it.

I go into the Upanishads to ask questions.

There are some things so serious you have to laugh at them.

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

Nothing exists until it is measured.

No, no, you're not thinking; you're just being logical.

In the Catskills, nostalgia runs backwards. The upwardly mobile Jewish masses of the 1950s and 1960s have been replaced by the Jews of 19th century Poland.

Put on a sweater.

The purpose of visualization is insight, not pictures

In the late twentieth century, staying sober has become just as much an addiction as getting wasted.

We have, during his regime, during President Obama's regime, we've doubled our national debt. We're up to $20 trillion.

The great thing about rock and roll is that someone like me can be a star.

If you want something done, ask. If you want something done quickly, ask, and then begin counting down from ten with no explanation.

Berlin is the testicles of the West, every time I want the West to scream, I squeeze on Berlin.

When people told me I'd never make it, I listened to the one person who said I could: me.