Relativity

相對論

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Lorentz had the mathematics,
Poincare had the philosophy,

but

Einstein had the physics.

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— C. N. Yang

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To come very near to a true theory
and to grasp its precise application,
are two very different things,
as the history of science teaches us.

Every thing of importance has been said
before by somebody who did not discover it.

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— A. N. Whitehead, in The Organization of Thought, Greenwood Press, 1978, p.127

— C. N. Yang

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2008.12.13 Saturday ACHK