Sunan Abi Dawud 3263
سنن أبي داود#3263SahihNarrated Ibn 'Umar:The oath which the Messenger of Allah (ﷺ) often used was this: No, by Him who overturns the hearts
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (6617)
In-book reference: 22:22