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
New Testament letter composed under the guise of a presumably lost letter of the Apostle Paul, the Epistle to the Laodiceans. The books of the New Testament were all or nearly all written by Jewish Christians—that is, Jewish disciples of Christ, who lived in the Roman Empire, and under Roman occupation. Luke, who wrote the Gospel of Luke and the Book of Acts, is frequently thought of as an exception; scholars are divided as to whether Luke was a Gentile or a Hellenistic Jew. A few scholars identify the author of the Gospel of Mark as probably a Gentile, and similarly for