He received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised. The purpose was to make him the ancestor of all who believe without being circumcised and who thus have righteousness reckoned to them,
For all who rely on the works of the law are under a curse, for it is written, “Cursed is everyone who does not observe and obey all the things written in the book of the law.”
and be found in him, not having a righteousness of my own that comes from the law but one that comes through faith in Christ, the righteousness from God based on faith.
Simeon Peter, a servant and apostle of Jesus Christ, To those who have received a faith as equally honorable as ours through the righteousness of our God and Savior Jesus Christ: