(30) باب فِي قَتْلِ الْخَوَارِجِ
'Arfajah told that he heard the Messenger of Allah (May peace be upon him) as saying :
various corruptions will arise in my community, so strike with sword the one who tries to cause separation in the matter of Muslims when they are united, whoever he be.
Reference: Sunan Abi Dawud 4762
In-book reference: Book 42, Hadith 167
English translation: Book 41, Hadith 4744