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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.
'A sandal tree' signifies aspects of the natural self.
(References: Apocalypse Explained 518)
2 Son of man, take up a lamentation over Pharaoh king of Egypt, and tell him, You were likened to a young lion of the nations: yet you are as a monster in the seas; and you did break forth with your rivers, and troubled the waters with your feet, and fouled their rivers.