Sahih al-Bukhari 6598
صحيح البخاري#6598SahihNarrated Abu Huraira: Allah's Messenger (ﷺ) was asked about the offspring of the pagans. He said, "Allah knows what they would have done (were they to live)
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: 82:5