"The oath by which the Messenger of Allah used to swear was: 'No, by the Controller of the hearts.'"
Sunan an-Nasa'i Book 35, Hadith 1
← Previous Hadith "What is this?" It was said: "It was given in charity to Barirah." He said: "It is charity for her and a gift for us."

Sunan an-Nasa'i Book 34, Hadith 42 Next Hadith → "The oath by which the Messenger of Allah used to swear was: 'No, by the Controller of the hearts.'"

Sunan an-Nasa'i Book 35, Hadith 2