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 from men, but from God.

Romans 4:11

And he received the sign of circumcision, a seal of the righteousness of the faith, which he had in uncircumcision, that he might be the father of all who believe in uncircumcision, that righteousness may be imputed to them also,

Colossians 2:11

By whom also ye are circumcised with a circumcision not made with hands, in 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 from men, but from God.
Romans 4:11
And he received the sign of circumcision, a seal of the righteousness of the faith, which he had in uncircumcision, that he might be the father of all who believe in uncircumcision, that righteousness may be imputed to them also,
Colossians 2:11
By whom also ye are circumcised with a circumcision not made with hands, in putting off the body of the sins of the flesh, by the circumcision of Christ: