Deuteronomy 31:19, 21, 26
Deuteronomy 31:19 NIV
“Now write down this song and teach it to the Israelites and have them sing it, so that it may be a witness for me against them.
Deuteronomy 31:26 NIV
“Take this Book of the Law and place it beside the ark of the covenant of the LORD your God. There it will remain as a witness against you.