Sahih al-Bukhari 6446
صحيح البخاري#6446SahihNarrated Abu Huraira:The Prophet (ﷺ) said, "Wealth is not in having many possessions, but rather (true) wealth is feeling sufficiency in the soul
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: 81:35