Deuteronomy 4:10

4:10 You stood before the Lord your God at Horeb and he said to me, “Assemble the people before me so that I can tell them my commands. Then they will learn to revere me all the days they live in the land, and they will instruct their children.”

Deuteronomy 31:21

31:21 Then when many disasters and distresses overcome them this song will testify against them, for their descendants will not forget it. I know the intentions they have in mind today, even before I bring them to the land I have promised.”