Sahih Muslim 2426
صحيح مسلم#2426SahihAmr b. al-'As reported Allah's Messenger (ﷺ) as saying:He Is successful who has accepted Islam, who has been provided with sufficient for his want and been made contented by Allah with what He has given him
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: 12:163