Nor is the growth of a new religion a subject merely of philosophical curiosity. In a historical point of view it is worthy of all the light which care ful investigation can bestow. The cause of truth imperatively demands that the progress of error should be diligently noted. How gladly should we receive the testimony of one who had been a witness of the early growth of the religion of Mahomet! How highly should we esteem an authentic account of the process by which the corrupt Christian of the seventh century was gradually alienated from the faith of his fathers, and induced to accept as divine the revelations Of the Arabian impostor!