From Sahih Bukhari (Hadith 6029):
Narrated Masruq: Abdullah bin 'Amr mentioned Allah's Messenger (ﷺ) saying that he was neither a Fahish nor a Mutafahish. Abdullah bin 'Amr added, Allah's Messenger (ﷺ) said, 'The best among you are those who have the best manners and character
Reference: Bukhari 6029