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 Muhammad ibn Isa al-‘Ubaydi, from al-Hasan ibn Ali, from al-Husayn, from his father Ali ibn Yaqtin, who said: I asked Abu al-Hasan al-Madi عليه السلام, peace be upon him, about a man, whether it is proper for him to recite aloud the ‘tashahhud’ and the statements in ‘ruku’, ‘sujud’, and ‘qunut’. Imam عليه السلام said: “If he wishes, he may recite aloud, and if he wishes, he may not recite aloud.”