[118] but no foreign war and no civil war has ever existed for the sake of instruction or virtue, which are the good things of the mind, which is the best part of us; for these things are in their nature peaceful, and by them good laws and tranquil stability, and whatever else is most beautiful to the sharp-seeing eyes of the soul, not to the dim perceptions of the body, are seen to be established. For the perceptive powers of the body look only upon the external surface, but the eye of the mind penetrates within, and going deep down surveys all the interior and hidden things which are removed out of the reach of bodily sight.