Henri Poincare (Mathematician)

#318185 Henri Poincare

Science is facts just as houses are made of stones, so is science made of facts but a pile of stones is not a house and a collection of facts is not necessarily science. .

Henri Poincare Quotes about science
#679638 Henri Poincare

Thought is only a flash between two long nights, but this flash is everything .

Henri Poincare Quotes about thought
#679639 Henri Poincare

It is far better to foresee even without certainty than not to foresee at all. .

Henri Poincare Quotes about wit
#679640 Henri Poincare

Science is facts. .

Henri Poincare Quotes about science
#679641 Henri Poincare

The mathematical facts worthy of being studied are those which, by their analogy with other facts, are capable of leading us to the knowledge of a physical law. .

Henri Poincare Quotes about knowledge
#679642 Henri Poincare

The mind uses its faculty for creativity only when experience forces it to do so. .

Henri Poincare Quotes about mind
#679643 Henri Poincare

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

Henri Poincare Quotes about nature
#679645 Henri Poincare

Thus, they are free to replace some objects by others so long as the relations remain unchanged. .

Henri Poincare Quotes about change
#679646 Henri Poincare

To doubt everything, or, to believe everything, are two equally convenient solutions; both dispense with the necessity of reflection. .

Henri Poincare Quotes about believe
#679647 Henri Poincare

To invent is to discern, to choose. .

Henri Poincare
#679648 Henri Poincare

What is it indeed that gives us the feeling of elegance in a solution, in a demonstration? .

Henri Poincare Quotes about feeling
#679649 Henri Poincare

Facts do not speak. .

Henri Poincare Quotes about facts
#679650 Henri Poincare

Geometry is not true, it is advantageous. .

Henri Poincare Quotes about age
#679651 Henri Poincare

How is an error possible in mathematics? .

Henri Poincare Quotes about mathematics
#679652 Henri Poincare

Hypotheses are what we lack the least. .

Henri Poincare
#679653 Henri Poincare

Ideas rose in clouds; I felt them collide until pairs interlocked, so to speak, making a stable combination. .

Henri Poincare Quotes about ideas
#679654 Henri Poincare

If one looks at the different problems of the integral calculus which arise naturally when one wishes to go deep into the different parts of physics, it is impossible not to be struck by the analogies existing. .

Henri Poincare Quotes about art
#679655 Henri Poincare

If that enabled us to predict the succeeding situation with the same approximation, that is all we require, and we should say that the phenomenon had been predicted, that it is governed by the laws. .

Henri Poincare Quotes about men
#679656 Henri Poincare

If we knew exactly the laws of nature and the situation of the universe at the initial moment, we could predict exactly the situation of the same universe at a succeeding moment. .

Henri Poincare Quotes about nature
#679657 Henri Poincare

In the old days when people invented a new function they had something useful in mind. .

Henri Poincare Quotes about people
#679658 Henri Poincare

Invention consists in avoiding the constructing of useless contraptions and in constructing the useful combinations which are in infinite minority. .

Henri Poincare
#679659 Henri Poincare

It has adopted the geometry most advantageous to the species or, in other words, the most convenient. .

Henri Poincare Quotes about words
#679661 Henri Poincare

It is the harmony of the diverse parts, their symmetry, their happy balance; in a word it is all that introduces order, all that gives unity, that permits us to see clearly and to comprehend at once both the ensemble and the details. .

Henri Poincare Quotes about art
#679662 Henri Poincare

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

Henri Poincare Quotes about science
#679663 Henri Poincare

Just as houses are made of stones, so is science made of facts. .

Henri Poincare Quotes about science
#679664 Henri Poincare

Mathematical discoveries, small or great are never born of spontaneous generation. .

Henri Poincare Quotes about great
#679665 Henri Poincare

Mathematicians are born, not made. .

Henri Poincare Quotes about math
#679666 Henri Poincare

Mathematicians do not study objects, but relations between objects. .

Henri Poincare Quotes about math
#679667 Henri Poincare

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

Henri Poincare Quotes about art
#679668 Henri Poincare

Need we add that mathematicians themselves are not infallible? .

Henri Poincare Quotes about need
#679669 Henri Poincare

No more than these machines need the mathematician know what he does. .

Henri Poincare Quotes about need
#679670 Henri Poincare

One would have to have completely forgotten the history of science so as to not remember that the desire to know nature has had the most constant and the happiest influence on the development of mathematics. .

Henri Poincare Quotes about science
#679671 Henri Poincare

Point set topology is a disease from which the human race will soon recover. .

Henri Poincare Quotes about man
#679672 Henri Poincare

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

Henri Poincare Quotes about science
#679673 Henri Poincare

A sane mind should not be guilty of a logical fallacy, yet there are very fine minds incapable of following mathematical demonstrations. .

Henri Poincare Quotes about mind
#679674 Henri Poincare

A scientist worthy of his name, about all a mathematician, experiences in his work the same impression as an artist; his pleasure is as great and of the same nature. .

Henri Poincare Quotes about art
#679675 Henri Poincare

A small error in the former will produce an enormous error in the latter. .

Henri Poincare Quotes about will
#679676 Henri Poincare

A very small cause which escapes our notice determines a considerable effect that we cannot fail to see, and then we say that the effect is due to chance. .

Henri Poincare Quotes about chance
#679677 Henri Poincare

Absolute space, that is to say, the mark to which it would be necessary to refer the earth to know whether it really moves, has no objective existence. .

Henri Poincare Quotes about art
#679678 Henri Poincare

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

Henri Poincare Quotes about life

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