Niels Bohr
“No, no, you're not thinking; you're just being logical.”
“How wonderful that we have met with a paradox. Now we have some hope of making progress.”
“Anyone who is not shocked by quantum theory has not understood it.”
“The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.”
“Never express yourself more clearly than you are able to think.”
“An expert is a man who has made all the mistakes which can be made in a very narrow field.”