Niels Bohr Quotes

The very fact that knowledge is itself the basis for civilization points directly to openness as the way to overcome the present crisis.

Every great and deep difficulty bears in itself it’s own solution. It forces us to change our thinking in order to find it.

Isolated material particles are abstractions, their properties being definable and observable only through their interaction with other systems.

In our description of nature the purpose is not to disclose the real essence of the phenomena but only to track down, as far as possible, relations between the manifold aspects of our experience.

We are suspended in language.

Two sorts of truth: profound truths recognized by the fact that the opposite is also a profound truth, in contrast to trivialities where opposites are obviously absurd.

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

Truth and clarity are complementary.

I feel personally responsible for the universe's inevitable heat death.

Never express yourself more clearly than you are able to think

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

The very nature of the quantum theory ... forces us to regard the space-time coordination and the claim of causality, the union of which characterizes the classical theories, as complementary but exclusive features of the description, symbolizing the idealization of observation and description, respectively.

We must be clear that when it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images and establishing mental connections.

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

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