In Genesis 7:14, this signifies lusts and pleasures. (Arcana Coelestia 45[2])
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4 His feet will stand in that day on the Mount of Olives, which is before Jerusalem on the east; and the Mount of Olives will be split in two, from east to west, making a very great valley. Half of the mountain will move toward the north, and half of it toward the south.