Deuteronomy 29:13 in the World English Bible
that he may establish you today as his people, and that he may be your God, as he spoke to you and as he swore to your fathers, to Abraham, to Isaac, and to Jacob.
Context
12 That thou shouldest enter into covenant with the LORD thy God, and into his oath, which the LORD thy God maketh with thee this day:
13 That he may establish thee to day for a people unto himself, and that he may be unto thee a God, as he hath said unto thee, and as he hath sworn unto thy fathers, to Abraham, to Isaac, and to Jacob.
14 Neither with you only do I make this covenant and this oath;