Quran as per the order of Revelation

How Quran was preserved?

In Bukhari -Volume 6, Book 61, Number 509:
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 Musailama). (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 Quran by heart) on the day of the Battle of Yalmama, 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 Allah’s Apostle did not do?” ‘Umar said, “By Allah, that is a good project. “Umar kept on urging me to accept his proposal till Allah opened my chest for it and I began to realize the good in the idea which ‘Umar had realized.” Then Abu Bakr said (to me). ‘You are a wise young man and we do not have any suspicion about you, and you used to write the Divine Inspiration for Allah’s Apostle. So you should search for (the fragmentary scripts of) the Qur’an and collect it in one book).” By Allah If they had ordered me to shift one of the mountains, it would not have been heavier for me than this ordering me to collect the Qur’an.

Then I said to Abu Bakr, “How will you do something which Allah’s Apostle did not do?” Abu Bakr replied, “By Allah, it is a good project.” Abu Bakr kept on urging me to accept his idea until Allah opened my chest for what He had opened the chests of Abu Bakr and ‘Umar. So I started looking for the Qur’an and collecting it from (what was written on) palmed stalks, thin white stones and also from the men who knew it by heart, till I found the last Verse of Surat At-Tauba (Repentance) with Abi Khuzaima Al-Ansari, and I did not find it with anybody other than him. The Verse is:

‘Verily there has come unto you an Apostle (Muhammad) from amongst yourselves. It grieves him that you should receive any injury or difficulty..(till the end of Surat-Baraa’ (At-Tauba) (9.128-129) Then the complete manuscripts (copy) of the Qur’an remained with Abu Bakr till he died, then with ‘Umar till the end of his life, and then with Hafsa, the daughter of ‘Umar.

Quran (Sura 1 to 114)

The Prophet said, “Every Prophet was given miracles because of which people believed, but what I have been given, is Divine Inspiration which Allah has revealed to me. So I hope that my followers will outnumber the followers of the other Prophets on the Day of Resurrection.” (Imam Bukhari Volume 6, Book 61, Number 504)

Volume 6, Book 61, Number 511:
Narrated Zaid bin Thabit:

Abu Bakr sent for me and said, “You used to write the Divine Revelations for Allah’s Apostle : So you should search for (the Qur’an and collect) it.” I started searching for the Qur’an till I found the last two Verses of Surat At-Tauba with Abi Khuzaima Al-Ansari and I could not find these Verses with anybody other than him. (They were):

‘Verily there has come unto you an Apostle (Muhammad) from amongst yourselves. It grieves him that you should receive any injury or difficulty …’ (9.128-129)

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The holy prophet used to recite the Quran in seven different ways

Imam Bukhari Volume 6, Book 61, Number 513:
Narrated ‘Abdullah bin ‘Abbas:

Allah’s Apostle said, “Gabriel recited the Qur’an to me in one way. Then I requested him (to read it in another way), and continued asking him to recite it in other ways, and he recited it in several ways till he ultimately recited it in seven different ways.”

Volume 6, Book 61, Number 514:
Narrated ‘Umar bin Al-Khattab:

I heard Hisham bin Hakim reciting Surat Al-Furqan during the lifetime of Allah’s Apostle and I listened to his recitation and noticed that he recited in several different ways which Allah’s Apostle had not taught me. I was about to jump over him during his prayer, but I controlled my temper, and when he had completed his prayer, I put his upper garment around his neck and seized him by it and said, “Who taught you this Sura which I heard you reciting?” He replied, “Allah’s Apostle taught it to me.” I said, “You have told a lie, for Allah’s Apostle has taught it to me in a different way from yours.” So I dragged him to Allah’s Apostle and said (to Allah’s Apostle),

“I heard this person reciting Surat Al-Furqan in a way which you haven’t taught me!” On that Allah’s Apostle said, “Release him, (O ‘Umar!) Recite, O Hisham!” Then he recited in the same way as I heard him reciting. Then Allah’s Apostle said, “It was revealed in this way,” and added, “Recite, O ‘Umar!” I recited it as he had taught me. Allah’s Apostle then said, “It was revealed in this way. This Qur’an has been revealed to be recited in seven different ways, so recite of it whichever (way) is easier for you (or read as much of it as may be easy for you).”

Volume 6, Book 61, Number 525:
Narrated Qatada:

I asked Anas bin Malik: “Who collected the Qur’an at the time of the Prophet ?” He replied, “Four, all of whom were from the Ansar: Ubai bin Ka’b, Mu’adh bin Jabal, Zaid bin Thabit and Abu Zaid.”

Volume 6, Book 61, Number 526:
Narrated Anas bin Malik:

When the Prophet died, none had collected the Qur’an but four persons;: Abu Ad-Darda’. Mu’adh bin Jabal, Zaid bin Thabit and Abu Zaid. We were the inheritor (of Abu Zaid) as he had no offspring.

Imam Bukhari Volume 6, Book 61, Number 574:

Narrated ‘Abdullah bin ‘Amr:

Allah’s Apostle said to me, “Recite the whole Qur’an in one month’s time.” I said, “But I have power (to do more than that).” Allah’s Apostle said, “Then finish the recitation of the Qur’an in seven days, and do not finish it in less than this period.”