Sahih al-Bukhari 3967
صحيح البخاري#3967SahihNarrated `Ali:The following Holy Verse:-- "These two opponents (believers and disbelievers) dispute with each other about their Lord." (22.19) was revealed concerning us
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: 64:20