21. But My covenant I will establish with Isaac, whom Sarah will bear to you at this season next year."
22. When He finished talking with him, God went up from Abraham.
23. Then Abraham took Ishmael his son, and all the servants who were born in his house and all who were bought with his money, every male among the men of Abraham's household, and circumcised the flesh of their foreskin in the very same day, as God had said to him.