The Book on Vows and Oaths
20/12. Chapter:
What Has Been Related About How The Prophet (saws) Would Swear
Jami at-Tirmidhi
حَدَّثَنَا عَلِيُّ بْنُ حُجْرٍ، أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ، وَعَبْدُ اللَّهِ بْنُ جَعْفَرٍ، عَنْ مُوسَى بْنِ عُقْبَةَ، عَنْ سَالِمِ بْنِ عَبْدِ اللَّهِ، عَنْ أَبِيهِ، قَالَ كَثِيرًا مَا كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَحْلِفُ بِهَذِهِ الْيَمِينِ " لاَ وَمُقَلِّبِ الْقُلُوبِ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ .
Narrated Salim bin 'Abdullah: From This Father (Ibn Umar) Who Said: "The Messenger Of Allah (ﷺ) Often Would Swear With This Oath: 'No! By The Changer Of The Hearts.'"
Reference : Jami` at-Tirmidhi 1540In-book reference : Book 20, Hadith 19English translation : Vol. 3, Book 18, Hadith 1540