xxxiv GENERAL PREFACE.
minated, stirred him up, and directed him, so as to write the things which he had partly witnessed himself, partly had heard from the other Apostles, and partly God had revealed to him, in such a way as should be in accordance with the method, order, style, diction, and genius of S. Matthew. For there was no need of a fresh revelation from God for such things as Matthew already knew, by seeing or hearing them, but only of assistance and direction of the Holy Spirit, lest through forgetfulness, or any other human infirmity, he should err from the truth, even in the very slightest point, or write anything else, or in any different manner from what the Holy Spirit willed.
Some are of opinion that this title was prefixed to his Gospel by S. Matthew himself, as were also the titles of S. Mark, S. Luke, and S. John by those Evangelists. For thus the Prophets prefixed their names to their prophecies, as the Vision of Isaiah, the Vision of Obadiah.
But it is far more probable that the titles of each of the Gospels were attached to them, not by the Evangelists themselves, but by the Church. The similarity of the titles is an indication that such was the case. The title of the Syriac Gospel, which I have already cited, makes it still more probable that it was so. And from hence you may gather an irrefragable argument for the authority of tradition, that Holy Scripture does not suffice for building up the true faith and morals of the Church, but that there is need likewise of Apostolic traditions. This is one of the false negations of the heretics. For tell me if you can, from whence you know that this is the Gospel of S. Matthew, and Canonical Scripture, and that the Gospels of Thomas, of Barnabas, and the Twelve Apostles, which were formerly in circulation, are not Canonical Scripture, except by the tradition and consent of the Church? For many
