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Unless a thing can be defined by measurement, it has no place in a theory. And since an accurate value of the momentum of a localized particle cannot be defined by measurement it therefore has no place in the theory.
Richard P. Feynman
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Richard P. Feynman
Age: 69 †
Born: 1918
Born: May 11
Died: 1988
Died: February 15
Inventor
Percussionist
Physicist
Politician
Quantum Physicist
Science Communicator
Theoretical Physicist
University Teacher
Writer
Far Rockaway
New York
Richard Phillips Feynman
Richard P. Feynman
Ofey
Theory
Mechanic
Since
Particles
Values
Momentum
Science
Accurate
Place
Defined
Cannot
Therefore
Localized
Thing
Value
Particle
Unless
Measurement
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The Quantum Universe has a quotation from me in every chapter - but it's a damn good book anyway.
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As you know, a theory in physics is not useful unless it is able to predict underlined effects which we would otherwise expect.
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It is odd, but on the infrequent occasions when I have been called upon in a formal place to play the bongo drums, the introducer never seems to find it necessary to mention that I also do theoretical physics.
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There in wine is found the great generalization: all life is fermentation.
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It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.
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There is no learning without having to pose a question. And a question requires doubt.
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I think Nature's imagination is so much greater than man's, she's never gonna let us relax!
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Energy is a very subtle concept. It is very, very difficult to get right.
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I don't think that the laws can be considered to be like God because they have been figured out.
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