Sahih al-Bukhari 2067
صحيح البخاري#2067SahihNarrated Anas bin Malik:I heard Allah's Messenger (ﷺ) saying, "whoever desires an expansion in his sustenance and age, should keep good relations with his Kith and kin
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: 34:20