I then began to study arithmetical questions without any great apparent result, and without suspecting that they could have the least connexion… — Henri Poincare Copy Share Image
Tolstoi explains somewhere in his writings why, in his opinion, “Science for Science's sake” is an absurd conception. We cannot know all… — Henri Poincare Copy Share Image
Every phenomenon, however trifling it be, has a cause, and a mind infinitely powerful, and infinitely well-informed concerning the laws of nature… — Henri Poincare Copy Share Image
The advance of science is not comparable to the changes of a city, where old edifices are pitilessly torn down to give… — Henri Poincare Copy Share Image
Tolstoi explains somewhere in his writings why, in his opinion, "Science for Science's sake" is an absurd conception. We cannot know all… — Henri Poincare Copy Share Image
If we ought not to fear mortal truth, still less should we dread scientific truth. In the first place it can not… — Henri Poincare Copy Share Image
How is it that there are so many minds that are incapable of understanding mathematics? ... the skeleton of our understanding, ...… — Henri Poincare Copy Share Image
“ Qu'une goutee de vin tombe dans un verre d'eau; quelle que soit la loi du movement interne du liquide, nous verrons… — Henri Poincaré Copy Share Image
All that we can hope from these inspirations, which are the fruits of unconscious work, is to obtain points of departure for… — Henri Poincare Copy Share Image
“... I left Caen, where I was living, to go on a geological excursion under the auspices of the School of Mines.… — Henri Poincaré Copy Share Image
The scientist does not study nature because it is useful to do so. He studies it because he takes pleasure in it,… — Henri Poincare Copy Share Image
The mathematical facts worthy of being studied are those which, by their analogy with other facts, are capable of leading us to the knowledge… — Henri Poincare Copy Share
. . . by natural selection our mind has adapted itself to the conditions of the external world. It has adopted the geometry most… — Henri Poincare Copy Share
If we knew exactly the laws of nature and the situation of the universe at the initial moment, we could predict exactly the situation… — Henri Poincare Copy Share
Absolute space, that is to say, the mark to which it would be necessary to refer the earth to know whether it really moves,… — Henri Poincare Copy Share
Absolute space, that is to say, the mark to which it would be necessary to refer the earth to know whether it really moves,… — Henri Poincare Copy Share
A cat is witty, he has nerve, he knows how to do precisely the right thing at the right moment. — Henri Poincare Copy Share
In the old days when people invented a new function they had something useful in mind. — Henri Poincare Copy Share
Mathematics has a threefold purpose. It must provide an instrument for the study of nature. But this is not all: it has a philosophical… — Henri Poincare Copy Share
“ Qu'une goutee de vin tombe dans un verre d'eau; quelle que soit la loi du movement interne du liquide, nous verrons bientôt se… — Henri Poincaré Copy Share
If that enabled us to predict the succeeding situation with the same approximation, that is all we require, and we should say that the… — Henri Poincare Copy Share
“ Le savant doit ordonner ; on fait la science avec des faits comme une maison avec des pierres ; mais une accumulation de… — Henri Poincare Copy Share
