Know thyself, and thou shalt know God.

Fear the sins that you commit in secret, because the Witness of those sins is the Judge Himself!

Whoever educates himself and improves his own morals & character is superior to the man who tries to teach & train others.

The wiser a man is, the less talkative will he be.

Your souls are precious and can only be equal to the price of Paradise, therefore sell them only at that price

There is no nobility with bad manners.

Do not use the sharpness of your speech on your mother who taught you how to speak.