Sahih Muslim 6585
صحيح مسلم#6585SahihAbu Musa reported Allah's Messenger (ﷺ) as saying:A believer is like a brick for another believer, the one supporting the other
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: 45:83