Different Branches Quotes by Henri Poincare

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Henri Poincare has 105 quotes on this site. A few more worth reading:

• Consider now the Milky Way. Here also we see an innumerable dust, only the grains of this dust are no longer atoms…
• Why is it that showers and even storms seem to come by chance, so that many people think it quite natural to…
• It is by logic we prove. It is by intuition we discover.
• In one word, to draw the rule from experience, one must generalize; this is a necessity that imposes itself on the most…
• It is a misfortune for a science to be born too late when the means of observation have become too perfect. That…
• Every phenomenon, however trifling it be, has a cause, and a mind infinitely powerful, and infinitely well-informed concerning the laws of nature…
• Tolstoi explains somewhere in his writings why, in his opinion, "Science for Science's sake" is an absurd conception. We cannot know all…
• I then began to study arithmetical questions without any great apparent result, and without suspecting that they could have the least connexion…
• It is often said that experiments should be made without preconceived ideas. That is impossible. Not only would it make every experiment…
• Mathematicians do not study objects, but relations between objects.
• What is it indeed that gives us the feeling of elegance in a solution, in a demonstration?
• It is far better to foresee even without certainty than not to foresee at all.

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