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

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

No paradox, no progress.

Nothing exists until it is measured.

Truth and clarity are complementary.

Einstein, stop telling God what to do!

I go into the Upanishads to ask questions.

One must always do what one really cannot.

Predition is risky, especially of the future.

Prediction is difficult, especially the future.

Predictions are hard, especially abot the future.

Opposites are not contradictory but complementary.

It is difficult to predict, especially the future.

It is not enough to be wrong, one must also be polite.

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

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

The opposite of every great idea is another great idea.

Accuracy and clarity of statement are mutually exclusive.

Some things are so serious, they can only be joked about.

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

Your theory is crazy, but it's not crazy enough to be true.

Oh what idiots we have all been, this is just as it must be

If an idea does not appear bizarre, there is no hope for it.

Never express yourself more clearly than you are able to think.

When it comes to atoms, language can be used only as in poetry.

Some subjects are so serious that one can only joke about them.

Prediction is very difficult, especially if it's about the future.

Anyone not shocked by quantum mechanics has not yet understood it.

If we couldn't laugh at ourselves, that would be the end of everything.

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

We all know your idea is crazy. The question is whether it is crazy enough.

In the great drama of existence we are audience and actors at the same time.

It is the hallmark of any deep truth that its negation is also a deep truth.

If you aren't confused by quantum mechanics, you haven't really understood it.

Address to Albert Einstein: You are not thinking. You are merely being logical.

There is no hope for any speculation that does not look absurd at first glance.

It is very difficult to make an accurate prediction, especially about the future.

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

Every sentence I utter must be understood not as an affirmation, but as a question.

Physics is the belief that a simple and consistent description of nature is possible.

How wonderful that we have met with a paradox. Now we have some hope of making progress.

Anyone who can contemplate quantum mechanics without getting dizzy hasn't understood it.

The measurement we get when we measure something is not a property of the thing measured.

If you think you understand it, that only shows that you don't know the first thing about it.

A deep truth is a truth so deep that not only is it true but it's exact opposite is also true.

Anybody who is not shocked by this subject has failed to understand it. [of quantum mechanics]

The meaning of life consists in the fact that it makes no sense to say that life has no meaning.

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

Those who are not shocked when they first come across quantum theory cannot possibly have understood it.

A person who wasn't outraged on first hearing about quantum theory didn't understand what had been said.

You must come to Copenhagen to work with us. We like people who can actually perform thought experiments!

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