9. The letters of Paul come second in the Bible. But were historically first. The first complete versions of the gospels date to the fourth century—a very long time after the events they describe. It is also important to note, that while the letters of Paul appear after the four gospels in the Bible, they represent the earliest Christian documents. The four gospels were written after them. Also curious: Paul makes no mention of either the life or death of Jesus, only his teachings.