1. Is it accepted that the Word of God is eternal and unchangeable? (Lev-i Mahfuz)

the Bible Yes
Yes the Quran

the Bible's Perspective

Matthew 5:18For most certainly, I tell you, until heaven and earth pass away, not even one smallest letter or one tiny pen stroke shall in any way pass away from the law, until all things are accomplished.
Isaiah 40:8The grass withers, the flower fades; but the word of our God stands forever.”
John 1:1In the beginning was the Word, and the Word was with God, and the Word was God.
1 Peter 1:23having been born again, not of corruptible seed, but of incorruptible, through the word of God, which lives and remains forever.

the Quran's Perspective

Yunus (Jonah) 10:64Theirs are good tidings in the life of the world and in the Hereafter - There is no changing the Words of Allah - that is the Supreme Triumph.
Qaf (Qaf) 50:29The sentence that cometh from Me cannot be changed, and I am in no wise a tyrant unto the slaves.

Notes

In Islamic history, there were two opposing views about this subject which Muslims had internal wars over. The Mu’tazelites said “No” to this question, and the Ash’arites said “Yes”. Most Muslims today would say “yes.”

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