Besides, Scripture anticipated God's justification of the Gentiles by faith when it announced the gospel beforehand to Abraham in these terms: All nations shall be blessed in thee.
And shall not those who are physically uncircumcised and who fulfil the Law, judge you who are a breaker of the Law for all your written code and circumcision?)
Now is that description of bliss meant for the circumcised, or for the uncircumcised as well? Abraham's faith, I repeat, was counted to him as righteousness.
That is why all turns upon faith; it is to make the promise a matter of favour, to make it secure for all the offspring, not simply for those who are adherents of the Law but also for those who share the faith of Abraham — of Abraham who is the father of us all