Romans 2:29

but he is a Jew who is one inwardly; and circumcision is that of the heart, in the spirit, not in the letter, whose praise is not of men, but of God.

Romans 4:11

And he received the sign of circumcision, as a seal of the righteousness of the faith that he had while he was uncircumcised, in order that he might be the father of all that believe, even in a state of uncircumcision, so that righteousness might be counted to them also;

Colossians 2:11

in whom you have been also circumcised with the circumcision made without hands, in the putting off the body of the sins of the flesh, by the circumcision of Christ,

Treasury of Scripture Knowledge

Summary

At that time the LORD said unto Joshua, Make thee sharp knives, and circumcise again the children of Israel the second time.

Bible References

Circumcise

Romans 2:29
but he is a Jew who is one inwardly; and circumcision is that of the heart, in the spirit, not in the letter, whose praise is not of men, but of God.
Romans 4:11
And he received the sign of circumcision, as a seal of the righteousness of the faith that he had while he was uncircumcised, in order that he might be the father of all that believe, even in a state of uncircumcision, so that righteousness might be counted to them also;
Colossians 2:11
in whom you have been also circumcised with the circumcision made without hands, in the putting off the body of the sins of the flesh, by the circumcision of Christ,