Romans 2:25 For circumcision verily profiteth, if thou keep the law: but if thou be a breaker of the law, thy circumcision is made uncircumcision.
Romans 2:28 For he is not a Jew, which is one outwardly; neither [is that] circumcision, which is outward in the flesh:
Galatians 6:13 For neither they themselves who are circumcised keep the law; but desire to have you circumcised, that they may glory in your flesh.