حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ حَدَّثَنَا وَکِيعٌ عَنْ شَرِيکٍ عَنْ أَبِي إِسْحَقَ عَنْ مُحَمَّدِ بْنِ سَعْدٍ عَنْ سَعْدٍ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ سِبَابُ الْمُسْلِمِ فُسُوقٌ وَقِتَالُهُ کُفْرٌ
ابن ماجہ · Hadith 3941
It was narrated from Sa’d that the Messenger of Allah P.B.U.H:''VerbaIIy abusing a Muslim is Fusuq (disobedience) and fighting him is Kufr.'' (Sahih)
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020