When it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images. – Niels Bohr
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
The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth. – Niels Bohr
Prediction is very difficult, especially if its about the future. – Niels Bohr
As surely as you are a living man, so surely did that spectral anatomy visit my room again last night, grin in my face, and walk away with my trousers: nor was I able to spring from my bed, or break the chain which seemed to bind me to my pillow. – Thomas Ingoldsby, “The Spectre of Tappington,” 1837