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14 And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years:
'A sandal tree' signifies aspects of the natural self.
(References: Apocalypse Explained 518)
6 She will be visited by Yahweh of Armies with thunder, with earthquake, with great noise, with whirlwind and storm, and with the flame of a devouring fire.