"General relativity was considered by Einstein as his most important discovery... a new theory of gravitation bringing in a very powerful kind of symmetry. This symmetry is of importance in physics only where gravitational fields occur, while the symmetry previously... of special relativity, is of importance in all physics. So that this further symmetry... although it is such a wonderful mathematical theory, does not have the big effect on physics."
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Original Language: English
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P. A. M. Dirac Speaking with Friedrich Hund on Symmetry in Relativity, Quantum mechanics and Physics of Elementary Particles (Göttingen, 1982) Filmdokumente zur Zeitgeschichte, G209; Youtube link title: "Interview, Göttingen 1982". See also Friedrich Hund.
https://en.wikiquote.org/wiki/General_relativity
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General relativity
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