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Chance is only the measure of our ignorance.
Henri Poincaré
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Science is a rule of action which is successful...
Henri Poincaré
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Space is only a word that we have believed a thing.
Henri Poincaré
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Principles are conventions and definitions in disguise.
Henri Poincaré
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Need we add that mathematicians themselves are not infallible?
Henri Poincaré
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Mathematics is the art of giving the same name to different things.
Henri Poincaré
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If there were no solid bodies in nature, there would be no geometry.
Henri Poincaré
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Scientific theories are like empires, they are not certain of the morrow.
Henri Poincaré
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C'est par la logique qu'on démontre, c'est par l'intuition qu'on invente.
Henri Poincaré
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If science is feared, it is above all because it cannot give us happiness.
Henri Poincaré
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Every good mathematician should also be a good chess player and vice versa.
Henri Poincaré
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One geometry cannot be more true than another; it can only be more convenient.
Henri Poincaré
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Mathematician ought not to be for the physicist a simple provider of formulae.
Henri Poincaré
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It is far better to foresee even without certainty than not to foresee at all.
Henri Poincaré
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The scientific fact is only the crude fact translated into a convenient language.
Henri Poincaré
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Sociology is the science with the greatest number of methods and the least results.
Henri Poincaré
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Later generations will regard Mengenlehre as a disease from which one has recovered.
Henri Poincaré
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The very possibility of the science of mathematics seems an insoluble contradiction.
Henri Poincaré
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The stars are majestic laboratories, gigantic crucibles, such as no chemist could dream.
Henri Poincaré
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To observe is not enough. We must use our observations, and to do that we must generalize.
Henri Poincaré
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The search for truth should be the goal of our activities; it is the sole end worthy of them.
Henri Poincaré
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We can not know all facts and it is necessary to choose those which are worthy of being known.
Henri Poincaré
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It is not sufficient for a theory to affirm no false relations; it must not hide true relations.
Henri Poincaré
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We also know how cruel the truth often is, and we wonder whether delusion is not more consoling.
Henri Poincaré
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Scientific truth, which is demonstrated, can in no way be likened to moral truth, which is felt.
Henri Poincaré
Quote of the day
Be a sinner and sin strongly, but more strongly have faith and rejoice in Christ.
Martin Luther
Henri Poincaré
Creative Commons
Born:
April 29, 1854
Died:
July 17, 1912
(aged 58)
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