WIST

Never express yourself more clearly than you are able to think.

Niels Bohr (1885-1962) Danish physicist
(Attributed)

Of course I don’t believe in it. But I understand that it brings you luck whether you believe in it or not.

Niels Bohr (1885-1962) Danish physicist
(Attributed)
When asked why he had a horseshoe on his wall.

Genius is the capacity to make all possible mistakes in the least amount of time.

Niels Bohr (1885-1962) Danish physicist
(Attributed)

Prediction is very difficult, especially about the future.

Niels Bohr (1885-1962) Danish physicist
(Attributed)
(Also attrib. to Yogi Berra)

There are things that are so serious that you can only joke about them.

Niels Bohr (1885-1962) Danish physicist
(Attributed)
Sometimes misattributed to Werner Heisenberg. Quoted in A Pais, The Genius of Science: A Portrait Gallery (2000).