Quote by Niels Bohr
"A real difficulty exists only when the mind is not sufficiently prepared to face it."
"A real difficulty exists only when the mind is not sufficiently prepared to face it."
"An expert is a person who has made all the mistakes that can be made in his field."
"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth."
"Prediction is very difficult, especially if it's about the future."
"I go around as a ghost, and no one sees me."