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

Al-Husayn ibn Saeed from al-Qasim ibn Muhammad from Muhammad ibn Yahya al-Khath'ami from Abd al-Rahim al-Qasir who said: I heard Abu Ja’far عليه السلام, peace be upon him, say: “If a man, whose background you do not know, leads the people in prayer and he recites the Quran, then do not recite (for yourselves), and count the prayer as valid.”