Sahih al-Bukhari 3501
صحيح البخاري#3501SahihNarrated Ibn `Umar:The Prophet (ﷺ) said, "Authority of ruling will remain with Quraish, even if only two of them remained
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: 61:11