The Quran Verses
Surah 56:77–79:
Indeed, it is a noble Qur'an. In a Book well-guarded. None touches it except the purified (lā yamassuhu illā l-muṭahharūn).
The Defensive Framework: The Surah attempts to absolute-proof its own authority by claiming that the revelation is pulled from a hidden, cosmic master-copy that is so structurally holy that "none touches it except the purified." While later Islamic jurisprudence used this verse to mandate that humans must perform ritual washing (wudu) before handling a physical Quran, historical critics analyze its original polemical function.
The Context of Suspicion: During his Meccan career, Muhammad was constantly accused by local poets and skeptics of being possessed by Jinn, being a sorcerer, or receiving his verses from wandering devils (Shayatin).
The Taboo Shield: Verses 77–80 function as an internal defensive shield. By claiming that only "purified" celestial entities (angels) are even capable of making physical or spiritual contact with the text, the author retroactively locks out the possibility of devilish tampering. To a critic, this is a standard rhetorical strategy found in high-control sectarian literature: creating a cosmic taboo around the text to discourage human scrutiny, fact-checking, or physical investigation by outsiders.
The Heavenly Interpretation: It refers to the Tablet in heaven (Umm al-Kitab), and the "purified" are the holy angels who alone touch it.
The Earthly Interpretation: It refers to the physical copy of the Quran (Mushaf), meaning humans must be in a state of ritual purity (Wudu) to touch it.
A critic can ask: "If Allah exerts absolute supernatural power to ensure that not even a demon can touch the heavenly copy of the word, why did He completely abandon that defensive oversight when it came to the earthly copies of the Torah and the Gospel? Why allow mere humans to successfully corrupt and destroy the earthly texts of His previous revelations while claiming an elaborate security system for this one?"