The method of exegesis known as allegorism, whereby the speculations of the Christian theologians were provided with an apparently scriptural basis, was taken over from the Jewish and Greek philosophers and theologians who employed it in the study of their sacred books. Origen, it should be added, contributed not a little to a sound grammatical interpretation as well. For Porphyry’s criticism of Origen’s methods of exegesis see Eusebius, _Hist. Ec._, VI, 19. Ch. 9. Now the cause, in all the points previously enumerated, of the false opinions and of the impious statements or ignorant assertions about God appears to be nothing else than that the Scriptures are not understood according to their spiritual meaning, but are interpreted according to the mere letter. And therefore to those who believe that the sacred books are not the compositions of men, but were composed by the inspirations of the Holy Spirit, according to the will of the Father of all things through Jesus Christ, and that they have come down to us, we must point out the modes of interpretation which appear correct to us, who cling to the standard of the heavenly Church according to the succession of the Apostles of Jesus Christ. Now that there are certain mystical economies made known in the Holy Scriptures, all, even the most simple of those who adhere to the word, have believed; but what these are, the candid and modest confess they know not. If, then, one were to be perplexed about the incest of Lot with his daughters, and about the two wives of Abraham, and the two sisters married to Jacob, and the two handmaids who bore him children, they can return no other answer than this—that these are mysteries not understood by us.…