Henri Poincaré

The scientist must be a man of courage, for he must be willing to challenge established ideas.

The true measure of a scientist is not the number of papers he publishes, but the impact he has on the world.

The universe is a vast and complex system, and we are only beginning to understand its secrets.

Mathematics is the art of pure thought.

The scientist must be a man of humility, for he must recognize the limits of his own knowledge.

The most important discoveries are often made by accident.

The human mind is capable of understanding the most complex ideas, but it is also capable of making the most foolish mistakes.

The scientist must be a man of passion, for he must be driven by a desire to understand the world.

The true beauty of science lies in its ability to reveal the hidden order of the universe.

The human mind is a powerful tool, but it is also a fragile one.

Mathematics is the language of the universe.

The scientist must be a man of integrity, for he must always be honest in his pursuit of truth.

Mathematics is the art of doing the same thing in different ways.

The scientist must be a man of vision, for he must be able to see beyond the obvious.

The true purpose of science is not to conquer nature, but to understand it.

The human mind is a boundless ocean of possibilities.

Mathematics is the science of patterns.

The scientist must be a man of patience, for he must be willing to wait for the truth to reveal itself.

If a phenomenon admits of a complete mechanical explanation, it will admit of an infinity of others which will account equally well for all the observed facts.

What is it that gives to the theorems of geometry their peculiar certainty? It is that they are not experimental facts, but conventions.