 Plato and his followers stated that the entire essence of cognition comes forth from the archetypal or intelligible world, and from the ideal reasons; and they stated that the eternal light contributes to certain cognition in its evidentness as the entire and sole reason for cognition, as Augustine in many places recites, in particular in bk. viii. c. 7 of The City of God: ‘The light of minds for the cognition of everything is God himself, who created everything’.