. . . by natural selection our mind has adapted itself to the conditions of the external world. It has adopted the geometry most advantageous to the … - Henri Poincaré

The readings we shall be able to make on our instruments at any instant will depend only on the readings we could have made on these same instruments at the initial instant.

Мысль никогда не должна подчиняться ни догме, ни направлению, ни страсти, ни интересу, ни предвзятой идее, ни чему бы то ни было, кроме фактов, потому что для нее подчинится — значило бы перестать существовать.

(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.