5. But since what may prove a finishing-stroke to this exhibition is wanting, so that any one, on following out their farce to the end, may then at once append an argument which shall overthrow it, we have judged it well to point out, first of all, in what respects the very fathers of this fable differ among themselves, as if they were inspired by different spirits of error. For this very fact forms an a priori proof that the truth proclaimed by the Church is immoveable, and that the theories of these men are but a tissue of falsehoods.