Muwatta Malik

Hadith #616

Yahya related to me from Malik from Jafar ibn Muhammad ibn Ali from his father that Umar ibn al-Khattab mentioned the magians and said, ""I do not know what to do about them."" Abd ar-Rahman ibn Awf said, ""I bear witness that I heard the Messenger of Allah, may Allah bless him and grant him peace, say, 'Follow the same sunna with them that you follow with the people of the Book