"The swearing most frequently sworn by the Messenger of Allah (ﷺ) was: 'No, by the Controller of the hearts."'
Sunan Ibn Majah Book 11, Hadith 3
← Previous Hadith "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."'

Sunan Ibn Majah Book 11, Hadith 2 Next Hadith → "The swearing of the Messenger of Allah (ﷺ) was: 'No, and I ask Allah for forgiveness."'

Sunan Ibn Majah Book 11, Hadith 4