Paul Dirac Quotes About Quantum Mechanics

• Renormalization is just a stop-gap procedure. There must be some fundamental change in our ideas, probably a change just as fundamental as the passage from Bohr's orbit theory to quantum mechanics. When you get a number turning out to be infinite which ought to be finite, you should admit that there is something wrong with your equations, and not hope that you can get a good theory just by doctoring up that number.

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  Paul Dirac

  2101

• No. I had successfully solved the difficulty of finding a description of the electron which was consistent with both relativity and quantum mechanics. Of course, when you solve one difficulty, other new difficulties arise. You then try to sove them. You can never solve all difficulties at once.

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  Paul Dirac

  Trying   Mechanic   Quantum  

  4606

• Quantum mechanics has explained all of chemistry and most of physics.

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  Paul Dirac

  Chemistry   Mechanic  

  2070

• The underlying physical laws necessary for the mathematical theory of a large part of physics and the whole of chemistry are thus completely known, and the difficulty is only that the exact application of these laws leads to equations much too complicated to be soluble. It therefore becomes desirable that approximate practical methods of applying quantum mechanics should be developed, which can lead to an explanation of the main features of complex atomic systems without too much computation.

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  Paul Dirac

  Law   Too Much   Chemistry  

  Paul Adrien Maurice Dirac (1995). “Sammlung”, p.391, Cambridge University Press

  1628

• The only object of theoretical physics is to calculate results that can be compared with experiment... it is quite unnecessary that any satisfactory description of the whole course of the phenomena should be given.

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  Paul Dirac

  Mechanic  

  698

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