Niels Bohr Quotes - Page 3

Quotes about:

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

  Niels Bohr

  Science, Understanding, Selfless

  "Biography/Personal Quotes". www.imdb.com.

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• Truth and clarity are complementary.

  Niels Bohr

  Badass, Clarity, Complementary

  "Quantum Theory and the Flight from Realism: Philosophical Responses to Quantum Mechanics". Book by Christopher Norris, 2000.

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• Isolated material particles are abstractions, their properties being definable and observable only through their interaction with other systems .

  Niels Bohr

  Interaction With Others, Isolated, Materials

  Niels Bohr, Leon Rosenfeld (1985). “Collected works”

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• There is no hope for any speculation that does not look absurd at first glance.

  Niels Bohr

  Doe, Looks, Firsts

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• Some subjects are so serious that one can only joke about them.

  Niels Bohr

  Serious, Subjects, Jokes

  "The Genius of Science: A Portrait Gallery". Book by Abraham Pais, 2000.

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• The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.

  Niels Bohr

  Truth, Science, Opposites

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• The opposite of every great idea is another great idea.

  Niels Bohr

  Opposites, Ideas, Great Idea

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• The very nature of the quantum theory ... forces us to regard the space-time coordination and the claim of causality, the union of which characterizes the classical theories, as complementary but exclusive features of the description, symbolizing the idealization of observation and description, respectively.

  Niels Bohr

  Space, Unions, Causality

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• It is, indeed, perhaps the greatest prospect of humanistic studies to contribute through an increasing knowledge of the history of cultural development to that gradual removal of prejudices which is the common aim of all science.

  Niels Bohr

  Prejudice, Development, Common

  Niels Bohr (2010). “Atomic Physics and Human Knowledge”, p.31, Courier Dover Publications

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• The old saying of the two kinds of truth. To the one kind belongs statements so simple and clear that the opposite assertion obviously could not be defended. The other kind, the so-called 'deep truths', are statements in which the opposite also contains deep truth.

  Niels Bohr

  Truth, Simple, Opposites

  Quoted in Albert Einstein: Philosopher-Scientist, ed. P. A. Schilpp (1949) SeeWilde 20

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• We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct. My own feeling is that it is not crazy enough.

  Niels Bohr

  Crazy, Feelings, Statistics

  "Biography/Personal Quotes". www.imdb.com.

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• Anyone who can contemplate quantum mechanics without getting dizzy hasn't understood it.

  Niels Bohr

  Dizzy, Mechanic, Quantum

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• Anyone not shocked by quantum mechanics has not yet understood it.

  Niels Bohr

  Physics, Mechanic, Quantum

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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.

  Niels Bohr

  Science, Reality, Agency

  Niels Bohr (2011). “Atomic Theory and the Description of Nature: Four Essays with an Introductory Survey”, p.54, Cambridge University Press

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• You must come to Copenhagen to work with us. We like people who can actually perform thought experiments!

  Niels Bohr

  Science, People, Copenhagen

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• It is a great pity that human beings cannot find all of their satisfaction in scientific contemplativeness.

  Niels Bohr

  Satisfaction, Pity, Humans

  "Chandra: A Biography of S. Chandrasekhar‎". Book by Kameshwar C. Wali, 1990.

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• Predition is risky, especially of the future.

  Niels Bohr

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• Truth is something that we can attempt to doubt, and then perhaps, after much exertion, discover that part of the doubt is not justified.

  Niels Bohr

  Truth, Science, Discovery

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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.'

  Niels Bohr

  Country, Wall, Believe

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• 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.

  Niels Bohr

  Technology, Years, Opposites

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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.

  Niels Bohr

  Opposites, May, Courses

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• The present state of atomic theory is characterized by the fact that we not only believe the existence of atoms to be proved beyond a doubt, but also we even believe that we have an intimate knowledge of the constituents of the individual atoms.

  Niels Bohr

  Believe, Science, Doubt

  Niels Bohr (1977). “The Periodic System (1920-1923)”, p.467, Elsevier

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• The great extension of our experience in recent years has brought light to the insufficiency of our simple mechanical conceptions and, as a consequence, has shaken the foundation on which the customary interpretation of observation was based.

  Niels Bohr

  Simple, Light, Years

  Niels Bohr (1934). “Atomic Theory and the Description of Nature: Four Essays”, p.2, CUP Archive

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• All rising curves that show unwelcome trends in human affairs will approach infinity if extended far enough, but it is we who dictate the curve and not vice versa.

  Niels Bohr

  Curves, Vices, Rising

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• In physics we deal with states of affairs much simpler than those of psychology and yet we again and again learn that our task is not to investigate the essence of things-we do not at all know what this would mean&mash;but to develop those concepts that allow us to speak with each other about the events of nature in a fruitful manner.

  Niels Bohr

  Knowledge, Mean, Science

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