Oral gospel traditions called the M source for Matthew and the L source for Luke, which may have been a mix of written and oral material (see Two-source hypothesis). Most scholars believe that the author of John's gospel used oral and written sources different from those available to the Synoptic authors – a "signs" source, a "revelatory discourse" source, and others – although there are indications that a later editor of this gospel may have used Mark and Luke. Oral transmission may also be seen as a different approach to understanding the Synoptic Gospels in New Testament scholarship. Current theories attempt to link
New Testament Prayer (in the form found in the Gospel of Matthew 6:9–13) is also a standard feature of Christian worship. Most of the influence of the New Testament upon the arts has come from the Gospels and the Book of Revelation. Literary expansion of the Nativity of Jesus found in the Gospels of Matthew and Luke began already in the 2nd century, and the portrayal of the Nativity has continued in various art forms to this day. The earliest Christian art would often depict scenes from the New Testament such as the raising of Lazarus, the baptism of Jesus or the