And he also narrated from Safwan ibn Yahya from al-’Alaʾ from Muhammad ibn Muslim from one of the two Imams, peace be upon them. He said: I asked Him عليه السلام about supererogatory prayer during travel. Imam عليه السلام said: “Do not pray anything before the two rak’ahs (of an obligatory prayer), nor after them, during the day.”