(202) بَابُ سِبَابِ الْمُسْلِمِ فُسُوقٌ
Sa'id ibn Malik reported that the Prophet, may Allah bless himand grant him peace, said, "Reviling a Muslim is deviant behaviour." (JA)
Reference (JA): Al-Adab Al-Mufrad 429 (JA)
In-book reference (JA): Book 24, Hadith 11 (JA)
English translation (JA): Book 24, Hadith 429 (JA)