Sahih Bukhari Volume 9, Book 88, Hadith Number 197.Sahih Bukhari Book 88. Afflictions and the End of the War Narrated By ‘Abdullah : The Prophet, said, “Abusing a Muslim is Fusuq (evil doing) and killing him is Kufr (disbelief).” Related Previous Post Sahih Bukhari Volume 9, Book 88, Hadith Number 198. Next Post Sahih Bukhari Volume 9, Book 88, Hadith Number 196.