Romans 2:25
Circumcision indeed is of value if you obey the law; but if you break the law, your circumcision has become uncircumcision.
Acts 7:51
"You stiff-necked people, uncircumcised in heart and ears, you always resist the Holy Spirit. You are doing just as your fathers did.
Romans 2:23
You who boast in the law, do you dishonor God by breaking the law?
Romans 2:28-2
For he is not a real Jew who is one outwardly, nor is true circumcision something outward and in the flesh.
Romans 4:11-12
And he received the sign of circumcision, a seal of the righteousness which he had by faith while he was still uncircumcised, that he might be the father of all who believe but have not been circumcised, in order that righteousness might be reckoned to them.
Galatians 5:3-6
I testify again to every man who receives circumcision, that he is under obligation to keep the whole Law.
Galatians 6:15
For neither is circumcision anything, nor uncircumcision, but what counts is a new creation.
Ephesians 2:11-12
Therefore remember that formerly you, the Gentiles in the flesh, who are called "Uncircumcision" by the so-called "Circumcision," which is performed in the flesh by human hands