Deuteronomy 29:12-13 NIV

12 You are standing here in order to enter into a covenant with the LORD your God, a covenant the LORD is making with you this day and sealing with an oath,
13 to confirm you this day as his people,1 that he may be your God2 as he promised you and as he swore to your fathers, Abraham, Isaac and Jacob.

References for Deuteronomy 29:13