May Allah show mercy upon the man who shows me my faults.
I have never regretted my silence. As for my speech, I have regretted it over and over again.
Do not be an arrogant scholar, for scholarship cannot subsist with arrogance.
God forbid, men should be jealous of knowledge as they are jealous of women.
When you do not know of a thing say so plainly.
The criterion of action is that todays work should not be deferred till the following day.