Then God said, “This is the sign of the covenant that I am making between Me and you, and every living creature that is with you for all future generations.
But if an outsider dwells with you, who would keep the Passover for Adonai, all his males must be circumcised. Then let him draw near and keep it. He will be like one who is native to the land. But no uncircumcised person may eat from it.
“Then God gave Abraham the covenant of circumcision. So he became the father of Isaac and circumcised him on the eighth day, and so Isaac with Jacob, and Jacob with the twelve patriarchs.
And he received the sign of circumcision as a seal of the righteousness of the trust he had while he was uncircumcised, so he might be the father of all who are trusting while uncircumcised—that righteousness might be credited to them as well.