3. Perfect Preservation of the Quran Doesn't Hold Up
Uthman's burning of variant Qurans
Credible hadiths show there were originally multiple variants of the Quran but caliph Uthman burned the other ones:
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In Sahih Bukhari 5005, Umar said, "Ubayy was the best of us in the recitation of the Qur'an, yet we leave some of what he recites."
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In Sahih Bukhari 4987, Uthman "afraid of their differences in the recitation of the Qur'an .. ordered that all the other Qur'anic materials, whether written in fragmentary manuscripts or whole copies, be burnt."
Sanaa manuscript
The Sanaa manuscript is a parchment with two different versions of the Quran found in Yemen in 1972 and radiocarbon dated to 578-669 CE. The first version was scraped off and a second (the modern Quran) was written over it. Under ultraviolet light, both are visible.
Compare verse Quran 9:18 in the Sanaa vs. Quran for example:
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Sanaa 9:18: "The mosques of Allah are only to be maintained by those who believe in Allah and the Last Day and do jihad in the way of Allah and do not fear except Allah, for it is expected that those will be of the successful."
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Quran 9:18: "The mosques of Allah are only to be maintained by those who believe in Allah and the Last Day and establish prayer and give zakah and do not fear except Allah, for it is expected that those will be of the [rightly] guided."
Verse Quran 9:18 in the Quran has two independent substitutions in the same direction from Sanaa 1:
- jihad (Sanaa 9:18) → establish prayer and give zakah (Quran 9:18)
- successful (Sanaa 9:18) → rightly guided (Quran 9:18)
The Sanaa 1 variants also match the surrounding verses and Surah 9 which are about jihad and fighting disbelievers.
The modern Quran is a product of Uthmanic state-enforced standardization. Viable and meaningful pre-Uthmanic variants survive in Sanaa. This eliminates knowledge of perfect preservation: it's just the variant that survived the fire.


