5:9 How is your beloved better than another beloved, you fairest amongst women? How is your beloved better than another beloved, that you do so adjure us?
Both the Bible and Quran state that God makes promises and keeps them. If God didn't protect his transmission of promises, how would we know he has kept them, especially when considering promises about Muhammed for example?
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The Love of God in the Qur'an and the Bible, John Gilchrist