Now we see that the body, the external shape, has no light as its own essence, is not self-luminous, and cannot know itself; neither can the mind. Why not? Because the mind waxes and wanes, because it is vigorous at one time and weak at another, because it can be acted upon by anything and everything. Therefore the light which shines through the mind is not its own. Whose is it then? It must belong to that which has it as its own essence, and as such, can never decay or die, never become stronger or weaker; it is self-luminous, it is luminosity itself. It cannot be that the soul knows, it is knowledge. It cannot be that the soul has existence, but it is existence. It cannot be that the soul is happy, it is happiness itself. That which is happy has borrowed its happiness; that which has knowledge has received its knowledge; and that which has relative existence has only a reflected existence. Wherever there are qualities these qualities have been reflected upon the substance, but the soul has not knowledge, existence, and blessedness as its qualities, they are the essence of the soul.