Natur It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we say about Nature. Niels Bohr 29
Change Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it. Niels Bohr 54
Truth The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth. Niels Bohr 39
be the best The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness. Niels Bohr 20