Henri Poincaré Quotes

It is through science that we prove, but through intuition that we discover.

If nature were not beautiful, it would not be worth knowing, and if nature were not worth knowing, l...

A scientist worthy of his name, about all a mathematician, experiences in his work the same impressi...

If we knew exactly the laws of nature and the situation of the universe at the initial moment, we co...

Pure analysis puts at our disposal a multitude of procedures whose infallibility it guarantees; it o...

The philosophers make still another objection: "What you gain in rigour," they say, "you lose in obj...

Science is built of facts the way a house is built of bricks but an accumulation of facts is no mor...

Science is built up of facts, as a house is with stones. But a collection of facts is no more a scie...

Absolute space, that is to say, the mark to which it would be necessary to refer the earth to know w...

Physicists believe that the Gaussian law has been proved in mathematics while mathematicians think t...

Mathematics is the art of giving the same name to different things.

Consider now the Milky Way. Here also we see an innumerable dust, only the grains of this dust are n...

Why is it that showers and even storms seem to come by chance, so that many people think it quite na...

How is it that there are so many minds that are incapable of understanding mathematics? ... the skel...

A very small cause which escapes our notice determines a considerable effect that we cannot fail to ...

If we wish to foresee the future of mathematics, our proper course is to study the history and prese...

The scientist does not study nature because it is useful; he studies it because he delights in it, a...