Early Christian writings containing many secrets of the early Christian religion were found in upper Egypt, a location where many Christians fled during the Roman invasion of Jerusalem. Undisturbed since their concealment almost two thousand years ago, these manuscripts of Christian mysticism rank in importance with the Dead Sea Scrolls. These writings affirmed the existence of the doctrine of reincarnation being taught among the early Jews and Christians. These Christian mystics, referred to as Christian Gnostics, were ultimately destroyed by the orthodox Church for being heretics. Their sacred writings were destroyed and hidden with the belief that they would be revealed at an appropriate time in the future. The discovery in 1945 yielded writings that included some long lost gospels, some of which were written earlier than the known gospels of Matthew, Mark, Luke and John.