Al-Husayn ibn Said from Safwan and Muhammad ibn Sinan from Ismail ibn Jabir. He said: I said to Abu Abdillah عليه السلام, peace be upon him: “The time of prayer enters upon me while I am traveling, but I do not pray until I enter (the home of) my family.” Imam عليه السلام said: “Pray and complete the prayer (in full).” I asked: “What if the time of prayer enters upon me, while I am with my family, and I intend to travel, so I do not pray until I depart?” Imam عليه السلام said: “Pray and shorten the prayer. And if you do not do so, then by Allah سبحانه وتعالى, you have opposed the Messenger of Allah سبحانه وتعالى, may Allah سبحانه وتعالى bless him and his family.”