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)
25 The hail struck throughout all the land of Egypt all that was in the field, both man and animal; and the hail struck every herb of the field, and broke every tree of the field.