Sahih al-Bukhari 6624
صحيح البخاري#6624SahihNarrated Abu Huraira:The Prophet (ﷺ) said, "We (Muslims) are the last in the world, but will be foremost on the Day of Resurrection
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: 83:4