Sahih al-Bukhari 7453
صحيح البخاري#7453SahihNarrated Abu Huraira:Allah's Messenger (ﷺ) said, "When Allah created the creations, He wrote with Him on His Throne: 'My Mercy has preceded My Anger
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: 97:79