Sahih al-Bukhari 3760
صحيح البخاري#3760SahihNarrated `Abdullah bin `Amr:Allah's Messenger (ﷺ) neither talked in an insulting manner nor did he ever speak evil intentionally. He used to say, "The most beloved to me amongst you is the one who has the best character and manners." He added, " Learn the Qur'an from (any of these) four persons. `Abdullah bin Mas`ud, Salim the freed slave of Abu Hudhaifa, Ubai bin Ka`b, and Mu`adh bin Jabal
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 62:105