So is not mathematical analysis then not just a vain game of the mind? To the physicist it can only give a… — Henri Poincare Copy Share Image
On fait la science avec des faits, comme on fait une maison avec des pierres; mais une accumulation de faits n'est pas… — Henri Poincare Copy Share Image
All the scientist creates in a fact is the language in which he enunciates it. If he predicts a fact, he will… — 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
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
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
“ 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
“... 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
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
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
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
