Al-Husayn ibn Sa’id from Fadalah from Hammad from ‘Imran al-Halabi, who said:
I said to Him عليه السلام: "A man doubts while he is standing and does not know whether he has bowed or not." Imam عليه السلام said: "Then let him bow."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 159
