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22 And God blessed them, saying, Be fruitful, and multiply, and fill the waters in the seas, and let fowl multiply in the earth.
'A sandal tree' signifies aspects of the natural self.
(References: Apocalypse Explained 518)
7 For Yahweh your God brings you into a good land, a land of brooks of water, of springs, and underground water flowing into valleys and hills;