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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.
'To open,' as in Revelation 9, signifies communication and conjunction.
(References: Apocalypse Explained 537)
5 They shall all be ashamed because of a people that can't profit them, that are not a help nor profit, but a shame, and also a reproach."