The Church Fathers identified Jews and Judaism with heresy. They saw deviations from Orthodox Christianity as heresies that were essentially Jewish in spirit. <answer>Tertullian</answer> implied that it was the Jews who most inspired heresy in Christianity: "From the Jew the heretic has accepted guidance in this discussion [that Jesus was not the Christ.]" Saint Peter of Antioch referred to Christians that refused to venerate religious images as having "Jewish minds".
Who suggested that it were the Jews that brought dissension into Christianity?
Tertullian