I'm establishing my covenant between me and you, and with your descendants who come after you, generation after generation, as an eternal covenant, to be your God and your descendants' God after you.

The servant born in your house or the one purchased with money is to be circumcised. My covenant is to remain in your flesh as an eternal covenant.

But God replied, "No, but your wife Sarah will give birth to your son, and you are to name him Isaac. I'll confirm my covenant with him as an eternal covenant for his descendants.