Henri Poincaré Quotes

Henri Poincaré Quotes

En un mot, pour tirer la loi de l'expérience, if faut généraliser; c'est une nécessité qui s'impose à l'observateur le plus circonspect.

In one word, to draw the rule from experience, one must generalize; this is a necessity that imposes itself on the most circumspect observer.

Deviner avant de démontrer! Ai-je besoin de rappeler que c'est ainsi que se sont faites toutes les découvertes importantes.

Guessing before proving! Need I remind you that it is so that all important discoveries have been made?

Experiment is the sole source of truth. It alone can teach us something new; it alone can give us certainty.

How is it that there are so many minds that are incapable of understanding mathematics? ... the skeleton of our understanding, ... and actually they are the majority. ... We have here a problem that is not easy of solution, but yet must engage the attention of all who wish to devote themselves to education.

La pensée n'est qu'un écliar au milieu d'une longue nuit. Mais c'est cet éclair qui est tout.

Thought is only a flash in the middle of a long night. But this flash means everything.

If we wish to foresee the future of mathematics, our proper course is to study the history and present condition of the science.

Mathematics is the art of giving the same name to different things.

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