"The swearing of the Messenger of Allah ﷺ when he took an oath and I bear witness before Allah was: 'By the One in Whose Hand is my soul."'
كَانَتْ يَمِينُ رَسُولِ اللَّهِ ﷺ التَّى يَحْلِفُ بِهَا أَشْهَدُ عِنْدَ اللَّهِ وَالَّذِي نَفْسِي بِيَدِهِ
"The swearing of the Messenger of Allah ﷺ when he took an oath and I bear witness before Allah was: 'By the One in Whose Hand is my soul."'
كَانَتْ يَمِينُ رَسُولِ اللَّهِ ﷺ التَّى يَحْلِفُ بِهَا أَشْهَدُ عِنْدَ اللَّهِ وَالَّذِي نَفْسِي بِيَدِهِ