[4] for besides this, those things which it is only the eyes of the body that see, are only seen by them because they take light as a coadjutor, and light is different, both from the object seen and from the things which see it. But all these things which the soul sees of itself, and through its own power, it sees without the co-operation of any thing or any one else; for the things which the soul does thus comprehend are a light to themselves,