part of it was inspired by the life of muhammad. the title refers to satanic verses. this is one of the interpretations of the koran. this interpretation is what ibn ishaq did in the oldest surviving text of the work. some islamic and most non-muslim western historians and commentators on the qur'an have accepted this story of muhammad's momentary acceptance of the verses although there are no known sources confirming the presence of these verses in reality in qur'an in olden times. a common muslim viewpoint is that the existence of the verses is just a fabrication created by non-muslims.