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6 And God said, Let there be a firmament in the midst of the waters, and let it divide the waters from the waters.
6 Whoso sheddeth man's blood, by man shall his blood be shed: for in the image of God made he man.
The face of the water (Genesis 1:2) signifies the knowledges of good and truth.
(References: Arcana Coelestia 19)