Since the faith of Islam deems it blasphemous to even suggest that the teachings of Muhammad and the Quran find their source in pre-Islamic custom, culture, and religion, Muslims did not do any significant research on what pre-Islamic Arabia was like. It has been up to Western scholars since the turn of the century to discover the cultural and literary sources Muhammad used in the construction of his religion and of the Quran itself. This is why every Western reference
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