9. Wherefore let us stay at this point our discourse concerning the questions, and in the meanwhile let us retain with accuracy what hath been revealed to us; as, for instance, why he mentioned David first; wherefore he called the book, “a book of the generation;” on what account he said, “of Jesus Christ;” how the birth is common and not common; whence it was that Mary was shown to be from David; and wherefore Joseph’s genealogy is traced, while her ancestors are passed over in silence.