Truth, like light, blinds. Falsehood, on the contrary, is a beautiful twilight that enhances every object.

Truth is mysterious, elusive, always to be conquered. Liberty is dangerous, as hard to live with as it is elating. We must march toward these two goals, painfully but resolutely, certain in advance of our failings on so long a road.

A taste for truth at any cost is a passion which spares nothing.

The only real progress lies in learning to be wrong all alone.

Ah, mon cher, for anyone who is alone, without God and without a master, the weight of days is dreadful.

Without work, all life goes rotten. But when work is soulless, life stifles and dies.

A man's work is nothing but this slow trek to rediscover, through the detours of art, those two or three great and simple images in whose presence his heart first opened.

He who despairs of the human condition is a coward, but he who has hope for it is a fool.

Those who lack the courage will always find a philosophy to justify it.

Real nobility is based on scorn, courage, and profound indifference.

Man wants to live, but it is useless to hope that this desire will dictate all his actions.

To insure the adoration of a theorem for any length of time, faith is not enough, a police force is needed as well.