A' mash reported: I heard Hajjaj b. Yusuf saying as he was delivering sermon on the pulpit: Observe the order of the (Holy) Qur' an which has been observed by Gabriel. (Thus state the surahs in this manner)" one in which mention has been made of al-Baqara,"" one in which mention has been made of women (Surah al-Nisa')" and then the surah in which mention has been made of the Family of 'Imrin. He (the (narrator) said: I met Ibrahim and informed him about these words of his (the statement of Hajjaj b. Yusuf). He cursed him and said: Abd al-Rahman b. Yazid has narrated to me that when he was in the company of 'Abdullah b. Mas' udd (Allah be pleased with them) he came to Jamrat al-' Aqaba and then entered the heart of the valley and faced towards it (the Jamra) and then flung seven pebbles at it from the heart of the valley pronouncing Takbir with every pebble. I said: Abu 'Abd al-Rahman, people fling pebbles at it (Jamra) from the upper side, whereupon he said: By Him besides Whom there is no god, that is the place (of flinging pebbles of one) upon whom Surah al-Baqara was revealed;