‘Ali (رضي الله عنه) said to the people of an-Nahrawan: Among them is a man with a defective arm - or an incomplete arm, or a deformed arm. If you could exercise restraint I would have told you what Allah promised on the lips of His Prophet (ﷺ) to those who kill them. "Abeedah said: I said to ‘Ali (رضي الله عنه): Did you hear him? He said: Yes, by the Lord of the Ka"bah; and he swore this oath three times.