Romans 2:28

2:28 For a person is not a Jew who is one outwardly, nor is circumcision something that is outward in the flesh,

Romans 3:30

3:30 Since God is one, ¹  he will justify the circumcised by faith and the uncircumcised through faith.

[3:30]  ¹ tn Grk “but if indeed God is one.”