Swedenborg learned that the Biblical creation story is a parable about our spiritual development. See how that first light shining in the darkness represents the beginning of spiritual awareness.

883. And the dove came back to him at eventide. That this signifies that little by little the goods and truths of faith began to appear, and that “eventide” means as in the twilight before morning, is likewise evident from what has been said above, at the eighth verse (Genesis 8:8); as well as from the fact that the time of evening is here mentioned. In regard to “evening” see what was said under the first chapter of Genesis, where it is said six times, “there was evening and there was morning.” “Evening” is a term of regeneration, and indeed of that state of it when the man is still in shade, or when as yet only a little light is apparent to him. The morning itself is described in the thirteenth verse (Genesis 8:13) by Noah’s removing the covering of the ark and seeing. It was because “evening” signified the twilight before morning, that “evening” is so many times mentioned in connection with the Jewish Church. For the same reason also they began their sabbaths and their feasts in the evening, and Aaron was commanded to light the holy lamp in the evening (Exodus 27:20-21).