The night is a great temple, but the stars are its candles.

The deeper you go into mathematics, the more you realize how much remains unknown.

We are all in the gutter, but some of us are looking at the stars.

La liberté, c'est le droit de faire tout ce que les lois permettent.

Intelligence is not the ability to store information, but to know how to use it.

I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.

The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

You can’t lead people if they don’t believe you care about them.