People travel to wonder at the height of mountains, at the huge waves of the sea, at the long courses of rivers, at the vast compass of the ocean, at the circular motion of the stars; and they pass by themselves without wondering.

We cannot pass our guardian angel's bounds, resigned or sullen, he will hear our sighs.

The greatest evil is physical pain.

You have enemies. For who can live on this earth without them? Take heed to yourselves: love them. In no way can your enemy so hurt you by his violence, as you hurt yourself if you love him not.

The peace of the celestial city is the perfectly ordered and harmonious enjoyment of God, and of one another in God. (City of God, Book 19)

Why then be perverted and follow thy flesh? Be it converted and follow thee.

The people who remained victorious were less like conquerors than conquered.