Niels Bohr Quotes - Page 4

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

And anyone who thinks they can talk about quantum theory without feeling dizzy hasn't yet understood the first thing about it.

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

Some things are so serious, they can only be joked about.

It is difficult to predict, especially the future.

One thought spectra are marvellous, but it is not possible to make progress there. Just as if you have the wing of a butterfly then certainly it is very regular with the colors and so on, but nobody thought one could get the basis of biology from the coloring of the wing of a butterfly.

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

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

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

Rutherford is a man you can rely on; he comes regularly and enquires how things are going and talks about the smallest details - Rutherford is such an outstanding man and really interested in the work of all the people around him.

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.

Predictions are hard, especially abot the future.

Prediction is difficult, especially the future.

Anybody who is not shocked by this subject has failed to understand it. [of quantum mechanics]