The Koran was assembled from a variety of prior Hagarene texts (hence the contradictions re Jesus' death) in order to provide the Moses-like Muhammad with a Torah of his own.
Robert M. PriceIf, when we compare two versions of a story, the second known to be a retelling of the first, and find that the second has more of a miraculous element, we may reasonably conclude we have legendary (or midrashic or whatever) embellishment. The tale has grown in the telling. This sort of comparison is common in extrabiblical research and no one holds that it cannot properly indicate legend formation there.
Robert M. PriceThe very admission of the need to harmonize is an admission that the burden of proof is on the narratives, not on those who doubt them. What harmonizing shows is that despite appearances, the texts still might be true.
Robert M. Price"Heresy," by the way, simply means "choice." It came to mean "thoughtcrime," implying it was blasphemy to presume to choose your own belief instead of swallowing what the bishops spoonfed you.
Robert M. Price