Niels Bohr Quotes

If you aren’t confused by quantum physics, then you haven’t really understood it.

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

One of the favorite maxims of my father was the distinction between the two sorts of truths, profound truths recognized by the fact that the opposite is also a profound truth, in contrast to trivialities where opposites are obviously absurd.

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

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

A weapon of an unparalleled power is being created which will completely change all future conditions of warfare. Unless some agreement about the control of the use of the new active materials can be obtained in due time, any temporary advantage, however great, may be outweighed by a perpetual menace to human security. An initiative, […]