Sahih Muslim 6524
صحيح مسلم#6524SahihAnas b. Malik reported that Allah's Messenger (ﷺ) said:He who likes that his sustenance should be expanded and his age may be lengthened should join the tie of kinship
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 45:24