More quotes by Niels Bohr

"An expert is a person who has made all the mistakes that can be made in a very narrow field."
"Prediction is very difficult, especially about the future."
"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth."
"There are trivial truths and there are great truths. The opposite of a trivial truth is plainly false. The opposite of a great truth is also true."
"You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth."