[179] Very appropriately therefore has God attributed the creation of this being, man, to his lieutenants, saying, "Let us make man," in order that the successes of the intellect may be attributed to him alone, but the errors of the being thus created, to his subordinate power: for it did not appear to be suitable to the dignity of God, the ruler of the universe, to make the road to wickedness in a rational soul by his own agency; for which reason he has committed to those about him the creation of this portion of the universe; for it was necessary that the voluntary principle, as the counterpoise to the involuntary principle, should be established and made known, with a view to the completion and perfection of the universe.