Niels Bohr

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

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

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

Now, what that means is that there is fundamental indeterminacy from quantum mechanics, but besides that there are other sources of effective indeterminacy.

Now, what that means is that there is fundamental indeterminacy from quantum mechanics, but besides that there are other sources of effective indeterminacy.

After all, the chief business of the American people is business. They are profoundly concerned with producing, buying, selling, investing and prospering in the world.