Muwatta Imam Malik Book of Vows and Oaths, Hadith 15

Yahya related to me from Malik that he had heard that the Messenger of Allah ﷺ used tosay, "No, by the Overturner of hearts."

وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ يَقُولُ " لاَ وَمُقَلِّبِ الْقُلُوبِ " .