"A sane mind should not be guilty of……" — Henri Poincare
"A sane mind should not be guilty of a logical fallacy, yet there are very fine minds incapable of following mathematical demonstrations."
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Henri Poincare
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107 Quotes by Henri Poincare
Henri Poincare has 107 quotes on this site.
A few more worth reading:
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Consider now the Milky Way. Here also we see an innumerable dust, only the grains of this dust are no…
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Why is it that showers and even storms seem to come by chance, so that many people think it quite…
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It is by logic we prove. It is by intuition we discover.
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In one word, to draw the rule from experience, one must generalize; this is a necessity that imposes itself on…
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It is a misfortune for a science to be born too late when the means of observation have become too…
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Every phenomenon, however trifling it be, has a cause, and a mind infinitely powerful, and infinitely well-informed concerning the laws…
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Tolstoi explains somewhere in his writings why, in his opinion, "Science for Science's sake" is an absurd conception. We cannot…
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I then began to study arithmetical questions without any great apparent result, and without suspecting that they could have the…
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It is often said that experiments should be made without preconceived ideas. That is impossible. Not only would it make…
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Mathematicians do not study objects, but relations between objects.
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What is it indeed that gives us the feeling of elegance in a solution, in a demonstration?
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It is far better to foresee even without certainty than not to foresee at all.
See all 107 quotes by Henri Poincare »
More Demonstration Quotes
This quote is filed under Demonstration Quotes,
one of 228 quotes in that category. Here are a few more:
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True love is eternal, infinite, and always like itself. It is equal and pure, without violent demonstrations: it is seen…
— Honore de Balzac
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What is a wife and what is a harlot? What is a church and what is a theatre? are they…
— William Blake
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The danger of leaving overwhelming wealth and power in the grasp of a small minority is a lesson that leaders…
— Graydon Carter
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I put my life in danger every time I do some of these demonstrations, whether it's in the audience hanging…
— Criss Angel
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Champions do not become champions when they win the event, but in the hours, weeks, months and years they spend…
— Alan Armstrong
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A movement with some lasting organization is a lot less dramatic than a movement with a lot of demonstrations and…
— Cesar Chavez
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If you go to one demonstration and then go home, that's something, but the people in power can live with…
— Noam Chomsky
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I mean it's easier to be in a demonstration if it's a trip that's one of the reasons why the…
— Lester Bangs
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What is it indeed that gives us the feeling of elegance in a solution, in a demonstration?
— Henri Poincare
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When the logician has resolved each demonstration into a host of elementary operations, all of them correct, he will not…
— Henri Poincare
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I never let the thought of failure enter my mind. My knowledge of my unity with the Universal One and…
— Walter Russell
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Capitalism has created the highest standard of living ever known on earth. The evidence is incontrovertible. The contrast between West…
— Ayn Rand
See all 228 Demonstration Quotes »