Gospel history and why the stories don't always match

The discrepancy arises from the different theological goals of the authors. Matthew presents Bethlehem as the family's original home, where they live in a house, and only move to Nazareth later to avoid danger. In contrast, Luke asserts they were originally from Nazareth and only traveled to Bethlehem for a Roman census. Historians note that Luke’s timeline regarding the census of Quirinius occurs about ten years after the death of Herod the Great, making it historically impossible for both accounts to be literally accurate. These narratives likely serve to place Jesus in the "City of David" to fulfill messianic prophecies rather than to provide a strict biographical record.

The Synoptic Problem refers to the mystery of why Matthew, Mark, and Luke share nearly identical wording and sequencing in many passages. The leading explanation is the Two-Source Hypothesis, which suggests that Mark was the first Gospel written and served as a template for the others. To explain the material shared by Matthew and Luke that is missing from Mark, scholars hypothesize the existence of "Q" (from the German Quelle, meaning "source"). Q is a lost collection of Jesus’s sayings, such as the Beatitudes. While no physical copy of Q has ever been found, it is a mathematical reconstruction used to explain the overlapping teachings in the later Gospels.

The Synoptics (Matthew, Mark, and Luke) state that the Last Supper was a Passover meal and that Jesus was crucified the following day. However, the Gospel of John moves the timeline up by one day, placing the crucifixion at the exact time the Passover lambs were being slaughtered in the Temple. This change is widely viewed as a theological choice by John to portray Jesus as the ultimate "Passover Lamb." Additionally, the timing of the execution differs; Mark records the crucifixion beginning at 9 a.m., while John places Jesus before Pontius Pilate at noon.

The name Thomas is derived from the Aramaic word Te'oma, and his other name, Didymus, is the Greek word for "twin." In certain early Christian communities, particularly in the Syrian tradition and the non-canonical Acts of Thomas, he was explicitly identified as the twin brother of Jesus. This "Twin Tradition" may have been influenced by Greek myths of mortal and immortal twins, serving as a way for early Christians to explore Jesus’s dual nature as both human and divine. While this view was eventually labeled heretical by the orthodox church, it highlights the vast diversity of beliefs in early Christianity.

Historians observe a trend where later Gospels increasingly portray the Roman governor Pontius Pilate as reluctant and the Jewish crowds as responsible. This shift likely served as a survival and "rebranding" strategy for the early church. Writing after the Roman-Jewish War of 70 CE, the authors wanted to demonstrate to the Roman Empire that Christianity was a peaceful movement and not a political threat. By downplaying the role of the Romans—who historically executed Jesus for sedition—and emphasizing Jewish guilt, the authors sought to protect their movement within the Empire, though this narrative later fueled centuries of anti-Semitism.