(16) باب الدَّلِيلِ عَلَى زِيَادَةِ الإِيمَانِ وَنُقْصَانِهِ
Narrated AbuHurayrah:
The Prophet (ﷺ) said: The most perfect believer in respect of faith is he who is best of them in manners. (AR)
Reference (AR): Sunan Abi Dawud 4682 (AR)
In-book reference (AR): Book 42, Hadith 87 (AR)
English translation (AR): Book 41, Hadith 4665 (AR)