In relation to the outside world he proved himself a worthy bishop of the Church. He intervened as peace — maker in the Paschal Controversy, and wrote a dignified letter of protest to Victor, Bishop of Rome, who was acting in a high-handed manner with the Quartodecimans. The principle he laid down, that differences in such details confirm our concord in the faith, was quoted with approbation by the late Bishop Wordsworth (ministry of Grace, p. Irenaeus was the author of several works. 'he wrote books on the Ogdoad, on the Monarchy of God, on Science,' and one to prove the Apostolic Preaching, which has been recently found in an Armenian translation. There are many fragments of his works; some of these, the Pfaff fragments, are a cause célébra.
