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18 And to rule over the day and over the night, and to divide the light from the darkness: and God saw that it was good.
"Birds" represent rational concepts in the external man and intellectual concepts in the internal man.
14 "But the deceiver is cursed, who has in his flock a male, and vows, and sacrifices to the Lord a blemished thing; for I am a great King," says Yahweh of Armies, "and my name is awesome among the nations."