Narrated Zaid bin Thabit:Abu Bakr As-Siddiq sent for me when the people of Yamama had been killed (i.e., a number of the Prophet's Companions who fought against Musailima). (I went to him) and found `Umar bin Al- Khattab sitting with him. Abu Bakr then said (to me), "`Umar has come to me and said: "Casualties were heavy among the Qurra' of the Qur'an (i.e. those who knew the Qur'an by heart) on the day of the Battle of Yamama, and I am afraid that more heavy casualties may take place among the Qurra' on other battlefields, whereby a large part of the Qur'an may be lost. Therefore I suggest, you (Abu Bakr) order that the Qur'an be collected." I said to `Umar, "How can you do something which…
فَإِن تَوَلَّوْا۟ فَقُلْ حَسْبِىَ ٱللَّهُ لَآ إِلَـٰهَ إِلَّا هُوَ ۖ عَلَيْهِ تَوَكَّلْتُ ۖ وَهُوَ رَبُّ ٱلْعَرْشِ ٱلْعَظِيمِ
But if they turn away, [O Muḥammad], say, "Sufficient for me is Allāh; there is no deity except Him. On Him I have relied, and He is the Lord of the Great Throne."
Saheeh International
Narrated Zaid bin Thabit:Abu Bakr sent for me owing to the large number of casualties in the battle of Al-Yamama, while `Umar was sitting with him. Abu Bakr said (to me), `Umar has come to my and said, 'A great number of Qaris of the Holy Qur'an were killed on the day of the battle of Al-Yamama, and I am afraid that the casualties among the Qaris of the Qur'an may increase on other battle-fields whereby a large part of the Qur'an may be lost. Therefore I consider it advisable that you (Abu Bakr) should have the Qur'an collected.' I said, 'How dare I do something which Allah's Messenger (ﷺ) did not do?' `Umar said, By Allah, it is something beneficial.' `Umar kept on pressing me for that…
Narrated Zaid bin Thabit:Abu Bakr sent for me, so I collected the Qur'an till I found the last part of Surat-at-Tauba with Abi Khuza`ima Al-Ansari and did not find it with anybody else. (The Verses are): -- 'Verily, there has come to you an Apostle (Muhammad) from amongst yourselves..(till the end of Surat Bara'a) (i.e., at- Tauba).' (9.128-129) Yunus also narrated as above