The Prophet (may Allah’s peace and blessings be upon him) did not know where Surahs were to be separated until "In the name of Allah, the Most Compassionate, the Most Merciful" was revealed to him Zayd ibn Thābit al-Ansāri, one of the scribes of the Qur'an, reported: Abu Bakr As-Siddīq sent for me when the people (of the battle) of Yamāmah were killed. I found ‘Umar ibn al-Khattāb sitting with him Hudhayfah ibn al-Yamān came to ‘Uthmān when he was preparing the people of the Levant and Iraq to conquer Armenia and Azerbaijan. Hudhayfah was alarmed by their difference in reading the Qur’an