وعن ابن مسعود رضي الله عنه قال‏:‏ قال رسول الله صلى الله عليه وسلم ‏:‏ ‏"‏سباب المسلم فسوق، وقتاله كفر‏"‏ ‏(‏‏(‏متفق عليه‏)‏‏)‏‏.‏

Abu Hurairah (May Allah be pleased with him) said

The Messenger of Allah (ﷺ) said, "When two persons indulge in abusing each other, the beginner will be the sinner so long as the oppressed does not transgress the limits."[Muslim].