(40) باب فِي الْغِيبَةِ
Narrated AbuHurayrah:
The Prophet (ﷺ) said: The gravest sin is going to lengths in talking unjustly against a Muslim's honour, and it is a major sin to abuse twice for abusing once. (ES)
Reference (ES): Sunan Abi Dawud 4877 (ES)
In-book reference (ES): Book 43, Hadith 105 (ES)
English translation (ES): Book 42, Hadith 4859 (ES)