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.

Quote by Henri Poincare

Topics: Henri Poincare Quotes

Facts do not speak.

Facts do not speak.

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

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

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

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

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

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

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

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

Science is built up of facts, as a house is with stones. But a collection...

Science is built up of facts, as a house is with stones. But a collection...

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

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

Mathematicians do not study objects, but relations between objects.

Mathematicians do not study objects, but relations between objects.

Mathematicians are born, not made.

Mathematicians are born, not made.

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

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

The scientist does not study nature because it is useful; he studies it because he...

The scientist does not study nature because it is useful; he studies it because he...

If that enabled us to predict the succeeding situation with the same approximation, that is...

If that enabled us to predict the succeeding situation with the same approximation, that is...

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

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

To invent is to discern, to choose.

To invent is to discern, to choose.

Need we add that mathematicians themselves are not infallible?

Need we add that mathematicians themselves are not infallible?

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

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

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

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

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

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

Absolute space, that is to say, the mark to which it would be necessary to...

Absolute space, that is to say, the mark to which it would be necessary to...

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

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