(13) باب كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم أَحْسَنَ النَّاسِ خُلُقًا
Anas b. Malik reported that Allah's Messenger (ﷺ) was the best amongst people in disposition and behaviour.
Reference: Sahih Muslim 2310 b
In-book reference: Book 43, Hadith 75
USC-MSA web (English) reference(deprecated numbering scheme): Book 30, Hadith 5725