Muwatta
Malik
موطأ مالك
22
Vows and Oaths
كتاب النذور والأيمان
Chapter 8: Oaths in General
Muwatta Malik 1074
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 صلى الله عليه وسلم كَانَ يَقُولُ
" لاَ وَمُقَلِّبِ الْقُلُوبِ " .