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Nothing exists until it is measured.

Niels Bohr

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Niels Bohr
Age: 77 †
Born: 1885
Born: October 7
Died: 1962
Died: November 18
Association Football Player
Chemist
Nuclear Physicist
Philosopher Of Science
Physicist
University Teacher
København
Niels Henrik David Bohr
Nicholas Baker
N. Bohr
Measured
Exists
Nothing

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If you think you understand it, that only shows that you don't know the first thing about it.
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Opposites are not contradictory but complementary.
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Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.
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If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.
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A deep truth is a truth so deep that not only is it true but it's exact opposite is also true.
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Address to Albert Einstein: You are not thinking. You are merely being logical.
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It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we say about nature.
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We are trapped by language to such a degree that every attempt to formulate insight is a play on words.
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Your theory is crazy, but it's not crazy enough to be true.
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An independant reality in the ordinary physical sense can neither be ascribed to the phenomenon nor to the agencies of observation.
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There is no hope for any speculation that does not look absurd at first glance.
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Einstein, stop telling God what to do!
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A physicist visits a colleague and notices a horseshoe hanging on the wall above the entrance. 'Do you really believe that a horseshoe brings luck?' he asks. 'No,' replies the colleague, 'but I've been told that it works even if you don't believe in it.'
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Some things are so serious, they can only be joked about.
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Rutherford is a man you can rely on he comes regularly and enquires how things are going and talks about the smallest details - Rutherford is such an outstanding man and really interested in the work of all the people around him.
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When it comes to atoms, language can be used only as in poetry.
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If you aren't confused by quantum mechanics, you haven't really understood it.
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A visitor to Niels Bohr's country cottage, noticing a horseshoe hanging on the wall, teasing the eminent scientist about this ancient superstition. Can it be true that you, of all people, believe it will bring you luck?' 'Of course not,' replied Bohr, 'but I understand it brings you luck whether you believe it or not.'
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If you have a correct statement, then the opposite of a correct statement is of course an incorrect statement, a wrong statement. But when you have a deep truth, then the opposite of a deep truth may again be a deep truth.
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Our task is not to penetrate the essence of things, the meaning of which we do not know anyway, but rather to develop concepts which allow us to talk in a productive way about phenomena in nature
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