38. But the difference in general is this; that all things in the spiritual world are from a spiritual origin, and hence, as to their essence, are spiritual, they are from the sun there which is pure love; and all things in the natural world are from a natural origin, and hence as to their essence are natural, for they are from the sun there which is pure fire. Hence it is, that the spiritual man must be nourished with food from a spiritual origin, as the natural man is with food from a natural origin. More may be seen in the work on Heaven and Hell.