(1) The rules applied are exceedingly various. (2) It is di… - Henri Poincaré

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(1) The rules applied are exceedingly various. (2) It is difficult to separate the qualitative problem of simultaneity from the quantitative problem of the measurement of time; no matter whether a chronometer is used, or whether account must be taken of a velocity of transmission, as... of light, because such a velocity could not be measured without measuring a time.

Henri Poincaré

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About Henri Poincaré

Jules Henri Poincaré (29 April 1854 – 17 July 1912), generally known as Henri Poincaré, was one of France's greatest mathematicians and theoretical physicists, and a philosopher of science.

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Alternative Names: Jules Henri Poincare • Henri Poincare • Poincare • Jules Henri Poincaré • Poincaré

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Carl Friedrich Gauss Arthur Eddington Charles Sanders Peirce Werner Heisenberg David Hilbert

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Naukę buduje się z faktów tak jak dom buduje się z cegieł, ale samo nagromadzenie faktów nie jest jeszcze nauką, podobnie jak kupa cegieł nie jest domem.

. . . by natural selection our mind has adapted itself to the conditions of the external world. It has adopted the geometry most advantageous to the species or, in other words, the most convenient. Geometry is not true, it is advantageous.

As we can not give a general definition of energy, the principle of the conservation of energy signifies simply that there is something which remains constant.

(1) The rules applied are exceedingly various. (2) It is difficult to separate the qualitative problem of simultaneity from the quantitative problem … - Henri Poincaré

About Henri Poincaré

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