In the spirit of enthusiasm or vanity, the prophet [Muhammad] rests the truth of his mission on the merit of his book; audaciously challenges both men and angels to imitate the beauties of a single page; and presumes to assert that God alone could dictate this incomparable performance. This argument is most powerfully addressed to a devout Arabian, whose mind is attuned to faith and rapture; whose ear is delighted by the music of sounds; and whose ignorance is incapable of comparing the productions of human genius... If the composition of the Koran exceed the faculties of a man to what superior intelligence should we ascribe the Iliad of Homer, or the Philippics of Demosthenes?