Deuteronomy 31:24-26
Read Deuteronomy 31 in full →24And it happened, when Moses finished writing the words of this law in a book until they were complete, 25that Moses commanded the Levites awho carried the ark of the covenant of Yahweh, saying, 26“Take this book of the law and place it beside the ark of the covenant of Yahweh your God, that it may be there as a witness against you.