If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.

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.

One thing's sure and nothing surer. The rich get richer and the poor get- children

True, we love life, not because we are used to living, but because we are used to loving. There is always some madness in love, but there is also always some reason in madness.

as the years go on a sense of deep patience comes over one; one seems to know the virtue of ripeness, and the danger of rushing events.

If you are just having unusual experiences and feeling special–especially if you feel better than everybody else–I think that is a dangerous thing.

I'm of an age when if I started to do eulogies, I'd be doing nothing else. You don't want to be remembered? I don't want them to be told to remember me.

The human race is a remarkable creature, one with great potential, and I hope that 'Star Trek' has helped to show us what we can be if we believe in ourselves and our abilities.

In a world of regret, sacrifice and hardship, laughter and music are medicine.

I played the clarinet, and my sister played the violin... If wed had the discipline and the passion, maybe we could have been good.

We have a limit, a very discouraging, humiliating limit: death.

It is wise not to seek a secret, and honest not to reveal one.