The great motto of Origen of Alexandria was, «Be diligent in reading divine Scripture, knock, it shall open unto you». (religion-online.org)
«Of the early history of Christianity in this district we know little enough, but its existence is assured, from the period of the earliest proclamation of the gospel to the beginning of the second century; of its wide extent and strength we have the testimony of Origen in the third century, of Epiphanius in the fourth, and of Jerome in the fifth. (religion-online.org)
But, as Origen of Alexandria said in the third century in his response to charges brought against Christianity by its critics, the Christian religion has its origin in «God's manifestation not in human sagacity,» in the appearance of the divine Logos in human form. (firstthings.com)