Deuteronomy 31:26 in the World English Bible
“Take this book of the law, and put it by the side of the ark of the LORD your God’s covenant, that it may be there for a witness against you.
Context
25 That Moses commanded the Levites, which bare the ark of the covenant of the LORD, saying,
26 Take this book of the law, and put it in the side of the ark of the covenant of the LORD your God, that it may be there for a witness against thee.
27 For I know thy rebellion, and thy stiff neck: behold, while I am yet alive with you this day, ye have been rebellious against the LORD; and how much more after my death?