Hypotheses are what we lack the least.

Quote by Henri Poincare

Topics: Henri Poincare Quotes

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.

Need we add that mathematicians themselves are not infallible?

Need we add that mathematicians themselves are not infallible?

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...

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

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

It is the harmony of the diverse parts, their symmetry, their happy balance; in a...

It is the harmony of the diverse parts, their symmetry, their happy balance; in a...

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

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

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.

Mathematicians do not study objects, but relations between objects.

Mathematicians do not study objects, but relations between objects.

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...

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...

To invent is to discern, to choose.

To invent is to discern, to choose.

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

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

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

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

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

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

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...

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

If we knew exactly the laws of nature and the situation of the universe at...

If we knew exactly the laws of nature and the situation of the universe at...

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.

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

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

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...