Exodus 10:2 - and that you may tell in the hearing of your son, and of your son’s son, what things I have done to Egypt, and my signs which I have done among them; that you may know that I am Yahweh.”

and that you may tell in the hearing of your son, and of your son’s son, what things I have done to Egypt, and my signs which I have done among them; that you may know that I am Yahweh.”

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Exodus 10:2