Sahih Muslim
The Book of Jihad and Expedition (Kitab Al-Jihad wal-Siyar)
Book Number: 019 / Hadith Number: 4381
This hadith has been narrated on the authority of Ibn Shihab with the same chain of transmitters but with the addition:" When Allah inflicted defeat on the armies of Persia, Caesar moved from Hims to Aelia (Bait al-Maqdis) for thanking Allah as He granted him victory." In this hadith these words occur:" From Muhammad, servant of Allah and His Messenger," and said:" The sin of your followers," and also said the words:" to the call of Islam".