Study
28 And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth.
'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.