Sahih Muslim
Sahih Muslim 66 a
Clarifying the meaning of the Statement of the Prophet (saws): "Do not revert to disbelief (Kuffar) after I am Gone, striking one another's necks"
Arabic hadith text
وَحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا شُعْبَةُ، عَنْ وَاقِدِ بْنِ مُحَمَّدٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عُمَرَ، عَنِ النَّبِيِّ صلى الله عليه وسلم بِمِثْلِهِ
Translation
Abdullah b. Mu'adh narrated from the Apostle (may peace and blessings be upon him) a hadith like this on the authority on Ibn Umar.