Expose not the secret failings of mankind, otherwise you must verily bring scandal upon them and distrust upon yourself.

If a piece of worthless stone can bruise a cup of gold, its worth is not increased, nor that of the gold diminished.

When the belly is empty, the body becomes spirit; and when it is full, the spirit becomes body.

The true disciple should aim to live for the gospel, rather than to die for it.

If a gem falls into mud it is still valuable. If dust ascends to heaven, it remains valueless.

He who learns, and makes no use of his learning, is a beast of burden with a load of books. Does the ass comprehend whether he carries on his back a library or a bundle of faggots?

Whoever gives advice to a heedless man is himself in need of advice.