13. One who understands this can no longer think that the Gospels are at variance with one another, inasmuch as the Gospel according to John contains the first acts of Christ, while the others give an account of the latter part of his life. And the genealogy of our Saviour according to the flesh John quite naturally omitted, because it had been already given by Matthew and Luke, and began with the doctrine of his divinity, which had, as it were, been reserved for him, as their superior, by the divine Spirit.