2084. And I will set up My covenant with him for an eternal covenant. That this signifies union, and in fact eternal union, is evident from the signification of a “covenant,” as being conjunction; and when it is predicated of the Lord, as being the union of His Divine Essence with His Human Essence, and of the Human Essence with the Divine Essence. (That a “covenant” signifies these things has been shown before, n. 665, 666, 1023, 1038, 1864, and occasionally in this chapter.)

1529. It is perfectly well known in heaven, but not so well in the world of spirits, whence comes the light that is so great, namely, from the Lord; and it is a remarkable fact that the Lord appears in the third heaven to the celestial angels as a Sun, and to the spiritual angels as a Moon. The very origin of the light is this and this alone. But the angels have light in proportion to what is celestial and spiritual with them, and the quality of this determines the quality of their light. Thus the Lord’s celestial and spiritual manifests itself before their external sight by means of light.