Arcana Coelestia #1020
1020. That these things are meant becomes clear from the fact that everything put together as history from Genesis 1 down to Eber in Chapter 11 means something different from what appears in the letter, and from the consideration that the historical narratives there are purely made-up history customary among the most ancient people. When attesting the truth of some matter they would say that 'Jehovah said it'. Here however 'God' is used because the subject is the spiritual Church. And they did the same when anything true was being, or had been, put into effect.
Genesis 1:14-17
14
And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years:
15
And let them be for lights in the firmament of the heaven to give light upon the earth: and it was so.
16
And God made two great lights; the greater light to rule the day, and the lesser light to rule the night: he made the stars also.
17
And God set them in the firmament of the heaven to give light upon the earth,
