[Doctrinal diversities of the Apostolical Fathers]

[CHAPTER IV.—THE ATTEMPTS OF THE GNOSTICS TO CREATE AN APOSTOLIC DOGMATIC, AND A CHRISTIAN THEOLOGY; OR THE ACUTE SECULARISING OF CHRISTIANITY]

[(1) The conditions for the rise of Gnosticism.]

[(2) The nature of Gnosticism]

[(3) History of Gnosticism and the forms in which it appeared]

[(4) The most important Gnostic doctrines]

[CHAPTER V.—THE ATTEMPT OF MARCION TO SET ASIDE THE OLD TESTAMENT FOUNDATION OF CHRISTIANITY, TO PURIFY THE TRADITION AND REFORM CHRISTENDOM ON THE BASIS OF THE PAULINE GOSPEL]

[Characterisation of Marcion's attempt]

[(1) His estimate of the Old Testament and the god of the Jews]

[(2) The God of the Gospel]