Maliks Muwatta Book 22, Hadith Number 15.Maliks Muwatta Book 22. Vows and Oaths Section : Oaths in General. Yahya related to me from Malik that he had heard that the Messenger of Allah, may Allah bless him and grant him peace, used tosay, “No, by the Over-turner of hearts.” Related Previous Post Maliks Muwatta Book 22, Hadith Number 16. Next Post Maliks Muwatta Book 22, Hadith Number 14.