(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." (DE)
Reference (DE): Al-Adab Al-Mufrad 429 (DE)
In-book reference (DE): Book 24, Hadith 11 (DE)
English translation (DE): Book 24, Hadith 429 (DE)