Attentiveness is the heart of prayer.

Whatever debases the intelligence degrades the entire human being.

Modern war appears as a struggle led by all the State apparatuses and their general staffs against all men old enough to bear arms.

It is not my business to think about myself. My business is to think about God. It is for God to think about me.

The work of art which I do not make, none other will ever make.

The real stumbling-block of totalitarian regimes is not the spiritual need of men for freedom of thought; it is men's inability to stand the physical and nervous strain of a permanent state of excitement, except during a few years of their youth.

Uprooting is by far the most dangerous of the ills of human society, for it perpetuates itself.