And from him, from Fadalah, from Husayn, from Ibn Muskan, from al-Hasan ibn Ziyad al-Sayqal, who said:
Abu Abdillah عليه السلام said to me: "If a man prays while sitting and he is able to stand, then let him double (the prayer)."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 176
