Deuteronomy 31:24-26

Darby Translation

²⁴ And it came to pass, when Moses had ended writing the words of this law in a book, until their conclusion,

²⁵ that Moses commanded the Levites, who bore the ark of the covenant of Jehovah, saying,

²⁶ Take this book of the law, and put it at the side of the ark of the covenant of Jehovah your God, that it may be there for a witness against thee;