Jesus did not write anything because he lived in a predominant oral society. The apostles of Jesus followed suit and transmitted the living oral tradition to their disciples and the new followers of Jesus the Christ. The apostles did not need to write anything, since they could explain everything. However, once Christianity moved out of Jerusalem there was a need to write things down in a more permanent form. The early Pauline letters to the new Christian Churches show how Christianity spread. Increasing time and distance from the place of Jerusalem and the time of Jesus led to a decision to write things down. In order to prevent heresy or diverse views, while at the same time encouraging the early Christians, the need for a written record became evident.
“Then they crossed the Jordan River into the large plain before Beth-shan. Judas Maccabeus kept rallying the laggards. He was encouraging the people all the way until he came to the land of Judah. So they went up to Mount Zion with gladness and joy. They offered burnt offerings, because they returned in safety. Not one of them had fallen.”
Eventually, they crossed the Jordan River into the plain of Beth-shan, about 18 miles south of the Sea of Galilee. Judas Maccabeus kept encouraging the slow movers along the way. When they finally arrived at Jerusalem, they were filled with gladness and joy. The offered a burnt offerings for their safety. Almost incredulously, this author notes that no one on his side had fallen in all these military encounters.