Deuteronomy 31:22-26

So Moses wrote down this song on the same day, and taught it to the sons of Israel. Joshua Is Commissioned

Then He commissioned Joshua the son of Nun, and said, “Be strong and courageous, for you will bring the sons of Israel into the land which I swore to them, and I will be with you.”

It came about, when Moses finished writing the words of this Law in a book until they were complete,

that Moses commanded the Levites who carried the ark of the covenant of the Lord, saying,

“Take this Book of the Law and place it beside the ark of the covenant of the Lord your God, so that it may remain there as a witness against you.