And from him, from Fadalah ibn Ayyub from Jamil, and from Ibn Abi Umayr from Jamil. He said: I asked Abu Abdillah عليه السلام, peace be upon him: “What is the degree of illness for which a person should pray sitting?” Imam عليه السلام said: “Indeed, a man may suffer fever or be wounded, but he knows himself best. If he has the strength, then let him stand (for prayer).”