New Testament the Anchor Bible Dictionary), may be the earliest known New Testament canon attributed to mainstream Christianity. It is similar, but not identical, to the modern New Testament canon. The oldest clear endorsement of Matthew, Mark, Luke, and John being the only legitimate gospels was written "circa" 180 AD. A four gospel canon (the "Tetramorph") was asserted by Irenaeus, who refers to it directly in his polemic "Against the Heresies", "It is not possible that the gospels can be either more or fewer in number than they are. For, since there are four zones of the world in which we live,
Historical reliability of the Gospels exception, although the author simply refers to himself as "the disciple Jesus loved" and claims to be a member of Jesus' inner circle. During the following centuries, each canonical gospel was attributed to an apostle or to the close associate of an apostle. Most scholars have rejected the traditional attributions. The gospels of Matthew, Mark, and Luke are referred to as the Synoptic Gospels because of a similar sequence and wording. They are also composed in Koine Greek and the majority of Mark and roughly half of Matthew and Luke coincide in content, in much the same sequence, often nearly