²³ And Abraham took Ishmael his son, and all who were born in his house, and all who were bought with his money -- every male among the people of Abraham's house -- and circumcised the flesh of their foreskin on that same day, as God had said to him.

²⁰ Behold, you will be silent and not able to speak, until the day that these things will happen, because you didn't believe my words, which will be fulfilled in their proper time."