[67] For they have cut away the most beautiful support of the soul, namely the proper conception of the ever-living God; and therefore, like ships without ballast, they are tossed about in every direction for ever, being borne in every direction, so as never once to reach the haven, and never to be able to anchor firmly in truth, being blind respecting that which is worth seeing, and the only object as to which it is absolutely necessary to be sharp-sighted;