(6) باب صِلَةِ الرَّحِمِ وَتَحْرِيمِ قَطِيعَتِهَا
Anas b. Malik reported:
I heard Allah's Messenger (ﷺ) as saying: He who is desirous that his means of sustenance should be expanded for him or his age may be lengthened, should join the tie of relationship.
Reference: Sahih Muslim 2557 a
In-book reference: Book 45, Hadith 23
USC-MSA web (English) reference(deprecated numbering scheme): Book 32, Hadith 6202