(8) باب قَوْلِ النَّبِيِّ صلى الله عليه وسلم " لاَ تَرْجِعُوا بَعْدِي كُفَّارًا، يَضْرِبُ بَعْضُكُمْ رِقَابَ بَعْضٍ
Narrated Ibn `Abbas:
The Prophet (ﷺ) said, "Beware! Do not renegade as (disbelievers) after me by striking (cutting) the necks of one another."
Reference: Sahih al-Bukhari 7079
In-book reference: Book 92, Hadith 30
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 9, Book 88, Hadith 200