Synoptic Gospels texts of the three synoptic gospels often agree very closely in wording and order, both in quotations and in narration. Most scholars ascribe this to "documentary dependence", direct or indirect, meaning the close agreements among synoptic gospels are due to one gospel's drawing from the text of another, or from some written source that another gospel also drew from. The synoptic problem hinges on several interrelated points of controversy: Furthermore, some theories try to explain the relation of the synoptic gospels to John; to non-canonical gospels such as Thomas, Peter, and Egerton; to the Didache; and to lost documents such
Gospel of the Ebionites quoted by Epiphanius is a gospel harmony of the Synoptic Gospels. The appearance of a great light on the water may be an echo of St. Paul's conversion or an additional harmonization of the "Gospel of the Hebrews" to this work. Epiphanius begins his description of the gospel text (13.2b–3) with a quotation which has the apostle Matthew narrating directly to the reader. Jesus recalls how the twelve apostles were chosen and addresses Matthew in the second person as "you also Matthew". Although twelve apostles are mentioned, only eight are named. They are said to be chosen by Jesus, "for