Do not be like those on whom advice has no effect and who require punishment to correct themselves.

Nothing hurts a good soul and kind heart more than to live amongst people who can't understand it.

The days of life pass away like clouds, so do good while you are alive.

He who understands humanity seeks solitude

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

Knowledge is of two kinds: that which is absorbed and that which is heard. And that which is heard does not profit if it is not absorbed.

People are of two types, they are either your brothers in faith or your equals in humanity.