Chapter on Recommended (Nafl) Prayers During Travel

As for the report narrated by al-Husayn ibn Sa’id from Muhammad ibn Abi ‘Umayr from Mu’awiyah ibn ‘Ammar, he said: I said to Abu Abdillah عليه السلام: “May I make up the day prayers at night while on a journey?” Imam عليه السلام said: “Yes.” Then Isma’il ibn Jabir said to Him عليه السلام: “May I make up the day prayers at night while on a journey?” Imam عليه السلام said: “No.” So he (Isma’il) said: “But you just said ‘Yes’!” Imam عليه السلام replied: “That one is capable, and you are not capable.”