Chapter on the Virtue of Mosques and Prayer Within Them, and the Virtue of Congregational Prayer and Its Rulings

From him, from Mu'awiyah ibn Hakim, from Muhammad ibn Ali ibn Faddal, from Abu al-Hasan عليه السلام, peace be upon him, who said: I said to Imam عليه السلام: “I prostrate with the imam (of prayer) and I raise my head before him, should I repeat the prayer?” Imam عليه السلام said: “Repeat (the prayer) and prostrate.”