If your ruler is just, then praise God; but if he is unjust, pray to God to rid you of him.
Luxury is an obstacle, and so is the fatness of the body.
May Allah have mercy on him who sends me my faults as a present.
God forbid, men should be jealous of knowledge as they are jealous of women.
As long as you are pure of heart, you speak the truth.
Acquire knowledge and teach it to people.