(2) باب قَوْلِ اللَّهِ تَعَالَى {وَمَنْ أَحْيَاهَا}
Narrated `Abdullah bin `Umar:
The Prophet (ﷺ) said, "After me (i.e. after my death), do not become disbelievers, by striking (cutting) the necks of one another.
Reference: Sahih al-Bukhari 6868
In-book reference: Book 87, Hadith 7
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 9, Book 83, Hadith 7