Irenaeus Against Heresies Book IV To those, therefore, who are ignorant of these matters, and on this account imagine that they have discovered another Father, justly does one say, "Ye do err, not knowing the Scriptures, nor the power of God."[49] " "For, touching the resurrection of the dead," He says, "have ye not read that which was spoken by God, saying, I am the God of Abraham, the God of Isaac, and the God of Jacob?[50] who was of the same substance as they were? How, too, could He have subdued[478] Tertullian On Exhortation to Chastity God; who have restored the honour of their flesh, and who have already dedicated themselves as sons of that (future) age, by slaying in themselves the concupiscence of lust, and that whole (propensity) which could not be admitted within Paradise![69] A Treatise of Novatian Concerning the Trinity For if Abraham, and Isaac, and Jacob, who, it is admitted, were only men, are manifested to be alive-for all they,[194] Archelaus Acts of the Disputation with the Heresiarch Manes : You err, not knowing the Scriptures, neither the power of God.[244] Clementine Homily II And to those who err by reason of the false scriptures He fitly showed the cause of their error, saying, `Ye do therefore err, not knowing the true things of the Scriptures;[37] Clementine Homily III I remember that on one occasion He, finding fault with the Sadducees, said, `Wherefore ye do err, not knowing the true things of the Scriptures; and on this account ye are ignorant of the power of God.'[40]