(198) بَابُ السِّبَابِ
'Abdullah said, "When a man says to his companion, 'You are myenemy,' then one of them has left Islam or he is innocent of what his companionsaid.'" (RU)
Reference (RU): Al-Adab Al-Mufrad 421 (RU)
In-book reference (RU): Book 24, Hadith 3 (RU)
English translation (RU): Book 24, Hadith 421 (RU)