(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. (FR)
Reference (FR): Sunan Abi Dawud 4682 (FR)
In-book reference (FR): Book 42, Hadith 87 (FR)
English translation (FR): Book 41, Hadith 4665 (FR)