Exodus 6:6-7
6 “Therefore tell the Israelites: I am Yahweh, and I will deliver you from the forced labor of the Egyptians and free you from slavery to them. I will redeem you with an outstretched arm(A) and great acts of judgment.
7 I will take you as My people,(B) and I will be your God. You will know(C) that I am Yahweh your God, who delivered you from the forced labor of the Egyptians.