공부
7 And God made the firmament, and divided the waters which were under the firmament from the waters which were above the firmament: and it was so.
In Exodus 9:25, this signifies truth of the church in the natural mind. (Arcana Coelestia 7571)
20 Won't the day of Yahweh be darkness, and not light? Even very dark, and no brightness in it?