(201) بَابُ الْمُسْتَبَّانِ شَيْطَانَانِ يَتَهَاتَرَانِ وَيَتَكَاذَبَانِ
'Iyad ibn Himar said, "I said, 'Messenger of Allah, there is someonewho reviles me.' The Prophet, may Allah bless him and grant him peace,said, 'Those who revile one another are two shaytans who accuse one anotherand deny one another.'"
Reference: Al-Adab Al-Mufrad 427
In-book reference: Book 24, Hadith 9
English translation: Book 24, Hadith 427