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Niels Bohr Quotes

"The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.""Technology has advanced more in the last thirty years than in the previous two thousand. The exponential increase in advancement will only continue.""It is the hallmark of any deep truth that its negation is also a deep truth.""Every sentence I utter must be understood not as an affirmation, but as a question.""A physicist is just an atom's way of looking at itself.""We are all agreed that your theory is crazy. The question is whether it is crazy enough to be true.""There are some things so serious you have to laugh at them.""If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.""Everything we call real is made of things that cannot be regarded as real.""No paradox, no progress""How wonderful that we have met with a paradox. Now we have some hope of making progress""The opposite of a profound truth may well be another profound truth""Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it""We all agree that your theory is crazy. The question that divides us is whether it is crazy enough to have a chance of being correct""Never express yourself more clearly than you are able to think""An expert is someone who knows some of the worst mistakes that can be made in his subject, and how to avoid them""Your theory is crazy, but it's not crazy enough to be true""Prediction is very difficult, especially if it's about the future""An expert is a person who has made all the mistakes that can be made in a very narrow field"