Kulayb bin Shahab كليب بن شهاب · The Book of Divorce

"Uwaimir, a man from Banu 'Ajlan, came and said: 'O 'Asim, what do you think if a man sees another man with his wife, should he kill him and be killed in retaliation, or what should he do? O 'Asim, ask the Messenger of Allah about that for me.'" So 'Asim asked the Messenger of Allah about that, and the Messenger of Allah disapproved of the question and criticized the asking of too many questions. Then 'Uwaimir came to him…