Romans 2:25
Circumcision does indeed profit, if you are obedient to the Law; but if you habitually break the Law, your circumcision is become uncircumcision.
Acts 7:51
"Stiff-necked, uncircumcised in heart and ears! You are always resisting the Holy Ghost! As your fathers did, so do you.
Romans 2:23
You who are making your boast in the Law, do you habitually dishonor God through your transgressions of the Law?
Romans 2:28-2
For the real Jew is not the man who is one outwardly, and the real circumcision is not outward in the flesh;
Romans 4:11-12
and he received circumcision as a sign, a seal of the faith-righteousness which he had while he was in uncircumcision; in order that he might be the father of all who believe, even though they are uncircumcised; so that righteousness might be imputed to them.
Galatians 5:3-6
I solemnly testify to every man who submits to circumcision that he obligates himself to keep the whole Law.
Galatians 6:15
For in Jesus Christ neither is circumcision anything, nor uncircumcision, but a new creation.
Ephesians 2:11-12
Do not forget then, that you Gentiles in the flesh, who are called "uncircumcision" by the "circumcision" made in flesh by man's hand,