Deuteronomy 31:19-22

19Now write down for yourselves the following song and teach it to the Israelites. Put it into their very mouths so that this song may serve as my witness against the Israelites!

20For after I have brought them to the land I promised to their ancestors – one flowing with milk and honey – and they eat their fill and become fat, then they will turn to other gods and worship them; they will reject me and break my covenant.

21Then 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.”

22So on that day Moses wrote down this song and taught it to the Israelites,