1250 - Abu 'Abd Allah narrated to us, he said: 'Abd al-Razzaq narrated to us, he said: Ma'mar narrated to us, from al-Zuhri, from 'Ubayd Allah ibn 'Abd Allah ibn 'Utbah, from Ibn 'Abbas, from 'Umar, that he said: "We used to recite: 'Do not turn away from your fathers, for it is disbelief on your part,' or: 'Indeed, it is disbelief on your part that you turn away from your fathers.'"