From him, from Ahmad ibn al-Hasan, from al-Nadr, from Ibn Sinan, from Abu Abdillah عليه السلام, peace be upon him, who said:
Imam al-Sadiq عليه السلام said: “Do not perform any of the obligatory (mafrud) prayers while riding.” Al-Nadr said in his narration: “Except if you are ill.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 3, p. 253
