Deuteronomy 31:21

And it shall come to pass, when many evils and troubles have befallen them, that this song shall testify against them as a witness; for it shall not be forgotten out of the mouths of their seed; for I know their imagination which they are forming already this day, before I bring them into the land which I have sworn unto them.
Deuteronomy 31:21 from Darby Bible Translation.
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