What a man finds circa se or sub se is overwhelming in amount, what he finds in se is embarassing in its obscurity, but when from his own being he would obtain light as to what is supra se, then indeed he finds himself face to face with a dark and somewhat terrifying mystery. The trouble is that he is himself involved in the mystery. If, in any true sense, man is an image of God, how should he know himself without knowing God? But if it is really of God that he is an image, how should he know himself?