Ahmad ibn Muhammad, from Muhammad ibn Sinan, from Hammad ibn Uthman and Khalaf ibn Hammad, from Rub'i ibn Abdillah and Al-Fudayl ibn Yasar, from Abu Abdillah عليه السلام, peace be upon him, who said: Imam al-Sadiq عليه السلام said: “There is no (prayer of) Jumu'ah, nor Fitr, nor Adha in travel.”