Yet surely, if thou art willing to believe what is evident, the things invisible ought to be believed by thee, rather than those which are seen. Even though what I say be a paradox, nevertheless it is true, and among men of understanding is fully acknowledged. For whereas the eyes are often deceived, not in the things unseen only (for of those they do not so much as take cognizance), but even in those which men think they actually see, distance and atmosphere, and absence of mind, and anger, and care, and ten thousand other things impeding their accuracy; the reasoning power of the soul on the other hand, if it receive the light of the divine Scriptures, will prove a more accurate, an unerring standard of realities.