From all that has now been said, it must be clear tothe Reader to the reader that the Jewish writings, and specially the fanciful tales ''aggadot'' of the Talmud, formed one of the chief Sources sources of Islam. And now we must turn our attention to the similar influence on Islam exercised by the Christian religion, and especially by those stories which in the Prophet's day the heretical sects, with their forged and got-up tales, spread abroad.