Chapter on the Manner of Prayer, Explanation of the Fifty-One Rak‘ahs; The Order, Recitation, Tasbih in Bowing and Prostration, Qunut, and What is Obligatory and Recommended Therein

And from him, from Abu Sa‘id al-Mukari and Abdullah ibn Bukayr, from ‘Ubayd ibn Zurarah and Abu Ishaq Tha‘labah, from Zurarah, who said: I said to Abu Ja‘far عليه السلام, peace be upon him: “May I pray using : ‘Qul huwa Allahu Ahad’ (Surah Al-Ikhlas)?” Imam عليه السلام said: “Yes. The Messenger of Allah سبحانه وتعالى, peace be upon him and his family, prayed in both rak‘ahs with ‘Qul huwa Allahu Ahad’, and He صلى الله عليه وعلى آله وسلم did not pray before it or after it with anything more complete than it.”