Studie
24 If Cain shall be avenged seven-fold, truly Lamech seventy and seven-fold.
'To open,' as in Revelation 9, signifies communication and conjunction.
(Odkazy: Apocalypse Explained 537)
9 It shall be for a sign to you on your hand, and for a memorial between your eyes, that the law of Yahweh may be in your mouth; for with a strong hand Yahweh has brought you out of Egypt.