4 Bible Verses about True Circumcision

Through your relation to him you have received not a physical circumcision, but a circumcision effected by Christ, in stripping you of your material nature,

For the real Jew is not the man who is one outwardly, and the real circumcision is not something physical and external.

We are the true circumcision, who worship God by his Spirit, priding ourselves only on Christ Jesus, and not relying on physical advantages,

So if people who are uncircumcised observe the requirements of the Law, will they not be treated as though they were circumcised?