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 Ahmad ibn Muhammad from Ali ibn Hadid and Abd al-Rahman ibn Abi Najran and al-Husayn ibn Sa‘id from Hammad ibn Isa from Hariz ibn Abdullah from Zurarah from Abu Ja‘far عليه السلام (peace be upon him), he said: I said to Him عليه السلام: “What suffices in terms of what is to be said in ‘ruku’ and ‘sujud’?” Imam عليه السلام said: “Three ‘tasbihat’ with calm recitation (‘tarassul’), and one complete (tasbihah) suffices.”