Men pass away, but their deeds abide. [His last words.]

As for methods I have sought to give them all the rigour that one requires in geometry, so as never to have recourse to the reasons drawn from the generality of algebra.

I am a Christian which means that I believe in the deity of Christ, like Tycho de Brahe, Copernicus, Descartes, Newton, Leibnitz, Pascal… like all great astronomers mathematicians of the past.

It is bad enough when rich Christians show little concern for the poor, but when they moan about their lot, they show contempt not only for the poor but also for the generosity of God.

You must make the Journey along the road, nobody is able to do it for you!

We are who we are because somebody loved us.

What an artist is for is to tell us what we see but do not know that we see.

Barbarism is needed every four or five hundred years to bring the world back to life. Otherwise it would die of civilization.

I do think film can change culture, in a way that reading a story in the New York Times does not.

I am not a fatalist. I have just been reading War and Peace and Tolstoy is such a fatalist. I think people can make a difference... I am an optimist who worries a lot.

Life itself is always a trial. In training, you must test and polish yourself in order to face the great challenges of life.

Science without philosophy, facts without perspective and valuation, cannot save us from havoc and despair. Science gives us knowledge, but only philosophy can give us wisdom.

Women are not the weak, frail little flowers that they are advertised. There has never been anything invented yet, including war, that a man would enter into, that a woman wouldn't, too.