Development of the New Testament canon day called that of the sun" (Sunday) alongside the "writings of the prophets." A defined set of four gospels (the "Tetramorph") was asserted by Irenaeus, "c". 180, who refers to it directly. By the early 3rd century, Origen may have been using the same twenty-seven books as in the present New Testament canon, though there were still disputes over the acceptance of the Letter to the Hebrews, James, II Peter, II John, III John, Jude and Revelation, known as the Antilegomena. Likewise, the Muratorian fragment is evidence that, perhaps as early as 200, there existed a set of Christian writings
Jesus in 1 Timothy 3:16) than the canonical gospels do. In the undisputed Pauline letters, which were written earlier than the gospels, the words or instructions of Jesus are cited several times (1 Corinthians 7:10–11, 9:14, 11:23–25, 2 Corinthians 12:9). Some early Christian groups had separate descriptions of the life and teachings of Jesus that are not included in the New Testament. These include the Gospel of Thomas, Gospel of Peter, and Gospel of Judas, the Apocryphon of James, and many other apocryphal writings. Most scholars conclude that these are written much later and are less reliable accounts than the canonical