From him, from Bunan ibn Muhammad, from Muhassin ibn Ahmad, from Yunus ibn Ya‘qub, from Maslamah ibn ‘Ata’, who said:
I said to Abu Abdillah عليه السلام: "What thing cuts (invalidates) the prayer?" Imam عليه السلام said: "A man’s fiddling with his beard."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 408
