Sahih al-Bukhari 6628
صحيح البخاري#6628SahihNarrated Ibn `Umar:The oath of the Prophet (ﷺ) used to be: "No, by Him who turns the hearts
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: 83:8