5. To these things all the Asiatic churches testify, as do also those who, down to the present time, have succeeded Polycarp, who was a much more trustworthy and certain witness of the truth than Valentinus and Marcion and the rest of the heretics. He also was in Rome in the time of Anicetus and caused many to turn away from the above-mentioned heretics to the Church of God, proclaiming that he had received from the apostles this one and only system of truth which has been transmitted by the Church.