[134] [cap.34] Let us then look upon the tabernacle and the altar as ideas, the one being the idea of incorporeal virtue, and the other as the emblem of an image of it, which is perceptible by the outward senses. Now it is easy to see the altar and the things which are on it, for they have all their preparations out of doors, and are consumed by unquenchable fire, so as to shine not by day alone, but also by night;