Sahih al-Bukhari 3815
صحيح البخاري#3815SahihNarrated `Ali:I heard Allah's Messenger (ﷺ) saying (as below) Narrated `Ali: The Prophet (ﷺ) said, "The best of the world's women is Mary (at her lifetime), and the best of the world's women is Khadija (at her lifetime)
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: 63:40