We are like plants which have the one choice of being in or out of the light.

The appetite for power, even for universal power, is only insane when there is no possibility of indulging it; a man who sees the possibility opening before him and does not try to grasp it, even at the risk of destroying himself and his country, is either

Man alone can enslave man.

All the goods of this world...are finite and limited and radically incapable of satisfying the desire that perpetually burns within us for an infinite and perfect good.

Difficult as it is really to listen to someone in affliction, it is just as difficult for him to know that compassion is listening to him.

With no matter what human being, taken individually, I always find reasons for concluding that sorrow and misfortune do not suit him; either because he seems too mediocre for anything so great, or, on the contrary, too precious to be destroyed.

Petroleum is a more likely cause of international conflict than wheat.