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24 If Cain shall be avenged seven-fold, truly Lamech seventy and seven-fold.
'To open,' as in Revelation 9, signifies communication and conjunction.
(References: Apocalypse Explained 537)
11 The angel of Yahweh said to her, "Behold, you are with child, and will bear a son. You shall call his name Ishmael, because Yahweh has heard your affliction.