Sources for the historicity of Jesus and actions attributed to him. Three of these (Matthew, Mark, and Luke) are known as the synoptic Gospels, from the Greek σύν (syn "together") and ὄψις (opsis "view"), given that they display a high degree of similarity in content, narrative arrangement, language and paragraph structure. The presentation in the fourth canonical gospel, i.e. John, differs from these three in that it has more of a thematic nature rather than a narrative format. Scholars generally agree that it is impossible to find any direct literary relationship between the synoptic gospels and the Gospel of John. The authors of the New Testament
God Is Not Great conceive, and bear a son" (see ), pointing out where the stories converge, Old Testament to New. Comparing the Testaments, he considers the New Testament "also a work of crude carpentry, hammered together long after its purported events, and full of improvised attempts to make things come out right". He points out that, while H. L. Mencken considered some of the New Testament events to be historically verifiable, Mencken maintained that "most of them ... show unmistakable signs of having been tampered with". Hitchens also outlines the inaccuracy in Luke's attempt to triangulate three world events of the time with