Knowledge of that which concerns us infinitely is possible only in an attitude of infinite concern.

The existential attitude is one of involvement in contrast to a merely theoretical or detached attitude. "Existential" in this sense can be defined as participating in a situation, especially a cognitive situation, with the whole of one's existence.

All your life you live so close to truth, it becomes a permanent blur in the corner of your eye, and when something nudges it into outline it is like being ambushed by a grotesque.

I am no longer sure of anything. If I satiate my desires, I sin but I deliver myself from them; if I refuse to satisfy them, they infect the whole soul.

Life has no meaning the moment you lose the illusion of being eternal.

Don't you feel the same way? When I cannot see myself, even though I touch myself, I wonder if I really exist.

Our responsibility is much greater than we might have supposed, because it involves all mankind.

To eat is to appropriate by destruction.

Il n'y a de réalité que dans l'action. (There is no reality except in action.)

It is the heart which perceives God and not the reason. That is what faith is: God perceived by the heart, not by the reason.