Al-Kāfi #1319“I heard one of them (the two Imam) (a.s.) saying, ‘When reviling words come from the mouth of reviling people they move back and forth....
Al-Kāfi #1320“I heard abu Ja’far (a.s.) saying, ‘When words of condemnation come out of the mouth of a person they move back and forth between the two to...