Ahmad ibn Muhammad ibn Isa from Abu Abdillah Al-Barqi from Muhammad ibn Musadif, who said:
I heard Abu Abdillah عليه السلام say: "Indeed, the prostration is upon the forehead, and there is no prostration upon the nose."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 322
