Wherefore instruction, which reveals hidden things, is called illumination, as it is the teacher only who uncovers the lid of the ark, contrary to what the poets say, that “Zeus stops up the jar of good things, but opens that of evil.” “For I know,” says the apostle, “that when I come to you, I shall come in the fulness of the blessing of Christ;” designating the spiritual gift, and the gnostic communication, which being present he desires to impart to them present as “the fulness of Christ, according to the revelation of the mystery sealed in the ages of eternity, but now manifested by the prophetic Scriptures, according to the command of the eternal God, made known to all the nations, in order to the obedience of faith,” that is, those