Exodus 6:7

6:7 I will take you to myself for a people, and I will be your God. Then you will know that I am the Lord your God, who brought you out from your enslavement to the Egyptians.

Exodus 6:6

6:6 Therefore, tell the Israelites, ‘I am the Lord. I will bring you out from your enslavement to the Egyptians, I will rescue you from the hard labor they impose, and I will redeem you with an outstretched arm and with great judgments.