But some persons indulge in such foolish notions respecting their judgments on these points, that they not only look upon the things which have been mentioned above as gods, but as each separate one of them as the greatest and first of gods, either because they are really ignorant of the true living God, from their nature being uninstructed, or else because they have no desire to learn, because they believe that there is no cause of things invisible, and appreciable only by the intellect, apart from the objects of the external senses, and this too, though the most distinct possible proof is close at hand;