مسند الحميدي
Musnad al-Humaydi
Hadiths of Abdullah ibn Mas'ud (may Allah be pleased with him)
Condemnation of Abusing and Killing a Muslim
Hadith 104
104 - حَدَّثَنَا الْحُمَيْدِيُّ، ثنا الْفُضَيْلُ بْنُ عِيَاضٍ، عَنْ مَنْصُورٍ، عَنْ أَبِي وَائِلٍ، عَنِ ابْنِ مَسْعُودٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّي اللهُ عَلَيْهِ وَسَلَّمَ: «سِبَابُ الْمُسْلِمِ فُسُوقٌ وَقِتَالُهُ كُفْرٌ»
Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) narrates: The Noble Prophet (peace and blessings be upon him) said: "Abusing a Muslim is wickedness and killing him is disbelief."
