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 this reason the promise depends on faith, in order that it may rest on grace, so that it may be guaranteed to all his descendants, not only to the adherents of the law but also to those who share the faith of Abraham (who is the father of all of us,