Development of the New Testament canon and 3rd centuries Eusebius's "Ecclesiastical History" 6.38 says the Elchasai "made use of texts from every part of the Old Testament and the Gospels; it rejects the Apostle (Paul) entirely"; 4.29.5 says Tatian the Assyrian rejected Paul's Letters and Acts of the Apostles; 6.25 says Origen accepted 22 canonical books of the Hebrews plus Maccabees plus the four Gospels but Paul "did not so much as write to all the churches that he taught; and even to those to which he wrote he sent but a few lines." Between 140 and 220, both internal and external forces caused Proto-orthodox Christianity
Synoptic Gospels as the Hebrew logia mentioned by Papias, the Jewish–Christian gospels, and the Gospel of Marcion. Ancient sources virtually unanimously ascribe the synoptic gospels to the apostle Matthew, to Peter's interpreter Mark, and to Paul's companion Luke - hence their respective canonical names. A remark by Augustine at the beginning of the fifth century presents the gospels as composed in their canonical order (Matthew, Mark, Luke, John), with each evangelist thoughtfully building upon and supplementing the work of his predecessors—the Augustinian hypothesis (Matthew–Mark). This view (when any model of dependence was considered at all) seldom came into question until the late