Henri Poincaré

The method is everything in science.

Love is the master key that opens the gates of happiness.

The beauty of the infinite is in its simplicity.

Error is the discipline through which we advance.

The human mind is a wonderful thing.

In topology, holes are more important than shapes.

The path to success is to take massive, determined action.

Science is organized knowledge. Wisdom is organized life.

The universe seems wondrous to the man who has not yet learned the limits of human ignorance.

Imagination encircles the world.

The only limit to our realization of tomorrow will be our doubts of today.

Mathematics may not teach us how to add love or minus hate, but it gives us every promise that we can do so.

The art of progress is to preserve order amid change.

In the book of nature, the page is always open.

Genius is one percent inspiration and ninety-nine percent perspiration.

The future is not something we enter. The future is something we create.

If there is a God, he's a mathematician.

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.

The aim of science is not things themselves, but the relations between things.

A reality completely independent of the mind which conceives it, sees it or feels it, is an impossibility.