144 Quotes by Niels Bohr

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

Of course I don't believe in it [pointing to horseshoe on his office wall]. But I understand that it brings you luck whether you believe in it or not.

The present state of atomic theory is characterized by the fact that we not only believe the existence of atoms to be proved beyond a doubt, but also we even believe that we have an intimate knowledge of the constituents of the individual atoms.

It is difficult to predict, especially the future.

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

Physics is to be regarded not so much as the study of something a priori given, but rather as the development of methods of ordering and surveying human experience. In this respect our task must be to account for such experience in a manner independent of individual subjective judgement and therefore objective in the sense that it can be unambiguously communicated in ordinary human language.

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

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

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