Romans 1:2

1:2 This gospel he promised beforehand through his prophets in the holy scriptures,

Romans 3:30

3:30 Since God is one, he will justify the circumcised by faith and the uncircumcised through faith.

Romans 4:11

4:11 And he received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised, so that he would become the father of all those who believe but have never been circumcised, that they too could have righteousness credited to them.

Romans 9:24

9:24 even us, whom he has called, not only from the Jews but also from the Gentiles?

Romans 11:21

11:21 For if God did not spare the natural branches, perhaps he will not spare you.