Niels Bohr Quotes & Sayings

“An expert is a man who has made all the mistakes which can be made, in a narrow field.”

“Technology has advanced more in the last thirty years than in the previous two thousand. The exponential increase in advancement will only continue. Anthropological Commentary The opposite of a trivial truth is false; the opposite of a great truth is also true.”

“Prediction is very difficult, especially if it's about the future.”

“If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.”

“The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.”

“Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.”

“It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we say about Nature.”

“An expert is someone who knows some of the worst mistakes, which can be made, in a very narrow field.”

“Every sentence I utter must be understood not as an affirmation, but as a question.”

“Your theory is crazy, but it's not crazy enough to be true.”