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The Sana'a Manuscripts: Evidence of Quranic Changes

Ancient Yemeni manuscripts revealing textual variants and erasures in early Quran copies.

16 min readApril 13, 2024

Introduction

In 1972, during restoration work on the Great Mosque of Sana'a in Yemen, workers discovered a hidden cache of ancient Quranic manuscripts in the mosque's ceiling. Among these fragments was a palimpsest—a manuscript that had been erased and written over—that would become one of the most significant archaeological discoveries in Islamic studies. The Sana'a manuscripts provide physical evidence that contradicts Islam's central claim: that the Quran has been perfectly preserved without change since Muhammad's time.

German scholar Gerd-R. Puin spent years examining these manuscripts and made a startling discovery: the lower, erased text of the palimpsest showed significant variations from the standard Quran text used today. These weren't minor spelling differences—they included different word orders, different words entirely, and verses in different sequences. This physical evidence proves that multiple versions of the Quran existed in early Islam, directly contradicting the Islamic narrative of perfect preservation.

Historical Context

The Great Mosque of Sana'a was built around 705-710 CE, making it one of the oldest mosques in the world. The manuscript fragments discovered there date to the late 7th and early 8th centuries CE—within the first century of Islam. According to Islamic tradition, the Quran was standardized by Caliph Uthman around 650 CE, and all variant copies were supposedly destroyed. Yet here were Quranic manuscripts from just decades later showing significant textual variations.

The term "palimpsest" refers to a manuscript where the original text has been scraped or washed off and new text written over it. This was commonly done when writing materials like parchment were expensive and scarce. The crucial question is: why would someone erase a Quranic text to write a different Quranic text over it? The most logical explanation is that the earlier version was considered obsolete or incorrect, suggesting ongoing textual revision in early Islam.

Dr. Gerd-R. Puin, who led the German-Yemeni research team examining these manuscripts, stated in a 1999 interview: "My idea is that the Koran is a kind of cocktail of texts that were not all understood even at the time of Muhammad. Many of them may even be a hundred years older than Islam itself."

What Islamic Sources Say

Muslims claim that the Quran has been perfectly preserved without change. The Quran itself makes this claim:

"Indeed, it is We who sent down the Quran and indeed, We will be its guardian." (Quran 15:9)

"Falsehood cannot approach it from before it or from behind it." (Quran 41:42)

Islamic tradition teaches that the Quran was compiled during the caliphate of Abu Bakr (632-634 CE) and standardized under Uthman (644-656 CE). According to Sahih Bukhari 6:61:510, Uthman ordered all variant Quran manuscripts to be burned, keeping only his standardized version. Muslims claim this resulted in one perfect, unchanged text.

Key Evidence from the Sana'a Manuscripts

  • Textual Variants: The lower text of the palimpsest shows different words and different word orders compared to the standard Uthmanic text. These aren't scribal errors—they're systematic differences suggesting a different textual tradition.
  • Different Verse Orders: Some surahs show verses in a different sequence than the standard Quran, indicating that the arrangement of verses wasn't fixed in early Islam.
  • Missing and Additional Material: Some passages present in the modern Quran are absent in the Sana'a manuscripts, while other sections show additional material not found in today's Quran.
  • Orthographic Variations: The manuscripts show different spelling conventions and diacritical marks, demonstrating that even the script wasn't standardized in the early period.

Problems and Contradictions

The Sana'a manuscripts create insurmountable problems for Islamic claims about Quranic preservation:

Physical Evidence vs. Religious Claims: Muslims claim perfect preservation, but we have physical manuscripts from the first century of Islam showing significant textual variations. This isn't theory or speculation—these are actual Quranic manuscripts that differ from today's text.

The Palimpsest Problem: Why would someone erase a Quranic text to write a different Quranic text over it? If the Quran was already standardized and perfect, this makes no sense. The most reasonable explanation is that the erased text was considered wrong or obsolete, proving that the Quran was being revised.

Dating Issues: These manuscripts date to the late 7th century—just decades after Uthman's supposed standardization. If Uthman successfully destroyed all variants and established one perfect text, why do we find variant manuscripts from so soon afterward? Either Uthman's standardization failed, or it never happened as described.

Behnam Sadeghi and Uwe Bergmann, in their 2010 study "The Codex of a Companion of the Prophet," examined the Sana'a palimpsest using modern imaging techniques. They identified numerous textual variants and concluded that the lower text represents an independent textual tradition—not just scribal errors but a genuinely different version of the Quran.

Implications

  1. Multiple Qurans Existed: The physical evidence proves that multiple versions of the Quran circulated in early Islam. This directly contradicts the claim that Muhammad received one perfect revelation that was faithfully transmitted.
  2. The Text Was Revised: Someone found the original text problematic enough to erase it and write a "corrected" version. This demonstrates ongoing textual revision—the opposite of perfect preservation.
  3. Uthman's Standardization Failed: If variant manuscripts survived Uthman's book burning and continued to be copied, his standardization was either incomplete or unsuccessful, undermining the entire Islamic narrative of how the Quran was preserved.

Muslim Responses

Muslim apologists have attempted several responses to the Sana'a manuscripts:

"These are just spelling differences": This claim doesn't hold up to examination. While some variations are orthographic, many involve different words, different word orders, and different verse sequences. These are substantive textual differences, not minor spelling variations.

"These manuscripts are heretical copies": This response actually concedes the point—if "heretical" Qurans existed, then multiple versions of the Quran existed, contradicting the claim of perfect preservation. Moreover, these manuscripts were preserved in one of Islam's most important early mosques, suggesting they were considered legitimate.

"The variants don't change the meaning": First, this is factually incorrect—some variants do change meanings. Second, this argument shifts the goalposts. Muslims claim perfect preservation of the exact words, not just general meanings. If we accept "close enough" preservation, Islam's claim to superiority over the Bible collapses.

"Western scholars are biased against Islam": Gerd Puin and other scholars examining these manuscripts are simply doing textual criticism—the same scholarly work applied to all ancient texts. Moreover, the Yemeni government invited these scholars and gave them access to the manuscripts. The evidence speaks for itself regardless of who examines it.

Christian Perspective

Christians should note the irony: Muslims criticize the Bible for having textual variants in its manuscript tradition, yet when we find textual variants in Quranic manuscripts, Muslims reject the same textual criticism methodology they apply to the Bible. This is a double standard.

The Bible never claims to be perfectly preserved in the way Muslims claim for the Quran. Instead, Christianity teaches that God's revelation came through human authors, working in history, whose writings were preserved through normal historical transmission. We have thousands of New Testament manuscripts showing minor variants—and this abundance of evidence allows scholars to reconstruct the original text with high confidence.

The Quran, by contrast, claims divine preservation (Quran 15:9), yet the manuscript evidence shows it underwent the same human process of textual variation and revision as any other ancient text. The difference is that Christianity's claims about scripture are consistent with the manuscript evidence, while Islam's claims are contradicted by it.

"Heaven and earth will pass away, but my words will never pass away." (Matthew 24:35)

Jesus promised that His words would endure—not that every manuscript would be identical, but that His message would be preserved through His church across generations. The manuscript evidence supports this claim. The Quran's claim to perfect preservation, however, doesn't match the historical evidence.

Questions to Consider

  1. If the Quran was perfectly preserved as Muslims claim, why do we find variant Quranic manuscripts from the first century of Islam?
  2. Why would someone erase a Quranic text and write a different Quranic text over it if the Quran was already perfect and standardized?
  3. If Uthman successfully standardized the Quran and destroyed all variants around 650 CE, why do variant manuscripts appear in major mosques just decades later?
  4. Why do Muslims apply textual criticism to the Bible but reject the same methodology when applied to the Quran?
  5. If Islam's central claim about the Quran (perfect preservation) is false, what does this say about Islam's other claims?

Conclusion

The Sana'a manuscripts provide archaeological evidence that contradicts Islam's fundamental claim about the Quran. These aren't medieval copies showing minor variations—they're manuscripts from the first century of Islam showing significant textual differences, including different words, word orders, and verse sequences. The palimpsest nature of the most important manuscript proves that someone found the original text problematic enough to erase and revise it.

For decades, Muslim scholars kept these manuscripts hidden from scholarly examination. When German scholars finally gained access and published their findings, the implications were clear: the Quran has a textual history just like any other ancient document. It was not perfectly preserved. It underwent revision and variation. Multiple versions existed in early Islam.

This matters because perfect preservation is Islam's central claim to authority. Muslims argue the Quran must be from God because it's perfectly preserved, unlike the Bible. But the manuscript evidence shows this claim is false. The Quran has textual variants, underwent revision, and exists in multiple early versions—just like the Bible that Muslims criticize.

For Christians engaging with Muslims, the Sana'a manuscripts provide concrete evidence that Islam's claims don't match historical reality. The same textual criticism that Muslims use against the Bible actually vindicates the Bible's honest acknowledgment of human transmission while exposing the Quran's false claims to perfect preservation.

Sources

  • Gerd-R. Puin, 'Observations on Early Quran Manuscripts in Sana'a' (1999)
  • Behnam Sadeghi and Uwe Bergmann, 'The Codex of a Companion of the Prophet' (2010)
  • François Déroche, 'Qur'ans of the Umayyads' (2014)
  • Asma Hilali, 'The Sanaa Palimpsest' (2017)
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