20 For I will lead them into the land, about which I swore to their fathers, a land flowing with milk and honey. And when they have eaten, and have been satiated and fattened, they will turn aside to foreign gods, and they will serve them. And they will disparage me, and they will nullify my covenant.
21 And after many evils and afflictions have overwhelmed them, this canticle will answer them as a testimony; it shall never pass into oblivion, away from the mouths of their offspring. For I know their thoughts and what they are about to do today, even before I lead them into the land which I have promised to them."
22 Therefore, Moses wrote the canticle, and he taught it to the sons of Israel.
23 And the Lord instructed Joshua, the son of Nun, and he said: "Be strong and valiant. For you shall lead the sons of Israel into the land which I have promised, and I will be with you."
24 Therefore, after Moses had written the words of this law in a volume, and had finished it,
25 he instructed the Levites, who carried the ark of the covenant of the Lord, saying:
26 "Take this book, and place it inside the ark of the covenant of the Lord your God, so that it may be there as a testimony against you.