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Mathematics is the art of giving the same name to different things.
Henri Poincaré
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There is no logical staircase running from the physics of 10-28 cm. to the physics of 1028 light-years.
Norwood Russell Hanson
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Thinking must never submit itself, neither to a dogma, nor to a party, nor to a passion, nor to an interest, nor to a preconceived idea, nor to whatever it may be, if not to facts themselves, because, for it, to submit would be to cease to be.
Jules Henri Poincaré
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