Niels Bohr Quotes

Every great and deep difficulty bears in itself its own solution. It forces us to change our thinkin...

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

Prediction is very difficult, especially about the future.

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

[About describing atomic models in the language of classical physics:]We must be clear that when it ...

There are trivial truths and there are great truths. The opposite of a trivial truth is plainly fals...

While the finish given to our picture of the world by the theory of relativity has already been abso...

An expert is a person who has made all the mistakes that can be made in a very narrow field.

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

Stop telling God what to do with his dice.

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

You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth i...

Every sentence I utter must be understood not as an affirmation but as a question.[A caution he give...

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

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

The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another...

When it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so conc...

The very nature of the quantum theory ... forces us to regard the space-time coordination and the cl...

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

The opposite of a correct statement is a false statement. But the opposite of a profound truth may w...

I myself find the division of the world into an objective and a subjective side much too arbitrary. ...

Technology has advanced more in the last thirty years than in the previous two thousand. The exponen...

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

Einstein, stop telling God what to do!

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

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