Romans 2:28

For the true Jew is not the man who is simply a Jew outwardly, and true circumcision is not that which is outward and bodily.

Galatians 6:15

For neither circumcision nor uncircumcision is of any importance; but only a renewed nature.

Matthew 3:9

and do not imagine that you can say to yourselves, 'We have Abraham as our forefather,' for I tell you that God can raise up descendants for Abraham from these stones.

Romans 9:6-8

Not however that God's word has failed; for all who have sprung from Israel do not count as Israel,

Revelation 2:9

Your sufferings I know, and your poverty--but you are rich--and the evil name given you by those who say that they themselves are Jews, and are not, but are Satan's synagogue.

John 1:47

Jesus saw Nathanael approaching, and said of him, "Look! here is a true Israelite, in whom there is no deceitfulness!"

John 8:37-39

You are descendants of Abraham, I know; but you want to kill me, because my teaching gains no ground within you.

Romans 2:17

And since you claim the name of Jew, and find rest and satisfaction in the Law, and make your boast in God,

Romans 4:10-12

What then were the circumstances under which this took place? Was it after he had been circumcised, or before?

1 Peter 3:21

And, corresponding to that figure, the water of baptism now saves you--not the washing off of material defilement, but the craving of a good conscience after God--through the resurrection of Jesus Christ,

Treasury of Scripture Knowledge

Summary

For he is not a Jew, which is one outwardly; neither is that circumcision, which is outward in the flesh:

Bible References

For he

Romans 9:6
Not however that God's word has failed; for all who have sprung from Israel do not count as Israel,
Matthew 3:9
and do not imagine that you can say to yourselves, 'We have Abraham as our forefather,' for I tell you that God can raise up descendants for Abraham from these stones.
John 1:47
Jesus saw Nathanael approaching, and said of him, "Look! here is a true Israelite, in whom there is no deceitfulness!"
John 8:37
You are descendants of Abraham, I know; but you want to kill me, because my teaching gains no ground within you.
Galatians 6:15
For neither circumcision nor uncircumcision is of any importance; but only a renewed nature.
Revelation 2:9
Your sufferings I know, and your poverty--but you are rich--and the evil name given you by those who say that they themselves are Jews, and are not, but are Satan's synagogue.

Neither

Romans 4:10
What then were the circumstances under which this took place? Was it after he had been circumcised, or before?
1 Peter 3:21
And, corresponding to that figure, the water of baptism now saves you--not the washing off of material defilement, but the craving of a good conscience after God--through the resurrection of Jesus Christ,