without some suitable medium—some kind of light. But our organs of sense are material, and therefore adapted to this material world. With our bodily eyes we see, and with our fleshly hands we handle, material things—and these alone. And the light and heat of this world, and the sun from which they emanate, being themselves natural, are adapted to our natural or fleshly organs.
But everything in the spiritual world is spiritual. The bodies of the angels are spiritual bodies; and we have Paul's testimony that "there is a natural body, and there is a spiritual body." (1 Cor. xv. 4.) And the organs of sense which the angels possess, must be suited to the spiritual things of their world, as our bodily organs are adapted to the material things of this world. The light and heat of heaven must therefore be spiritual, else they would not be suited to the nature of the angels, nor be in harmony or homogeneous with the things of their world.
And we know what spiritual light is. It is that which illumines the understanding—the light of divine or spiritual truth. When this light dawns upon us, it brings day to our mental world. The light of divine truth shows us the path in which we ought to walk—the path that leads to heaven. And we know, too, what spiritual heat is. It is that which warms us internally and spiritually; that which sets the soul aglow; that which we feel when the heart throbs with emotions of gratitude and love. Love is spiritual heat; and its effects in the moral or spiritual realm are such as correspond to the effects of the sun's heat in the material realm. It warms and
