Irenaeus, Adversus HaeresesIII.3, Polycarp does not quote from the Gospel of John in his surviving epistle, which may be an indication that whichever John he knew was not the author of that gospel, or that the gospel was not finished during Polycarp's discipleship with John. Weidmann suggests (Weidmann 1999:132) that the "Harris fragments" may reflect early traditions: "the raw material for a narrative about John and Polycarp may have been in place before Irenaeus; the codification of the significance of a direct line of succession from the apostle John through Polycarp may arguably be linked directly to Irenaeus".
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