Romans 2:28

For a man who is only a Jew outwardly is not a real Jew; nor is outward bodily circumcision real circumcision. The real Jew is the man who is a Jew in soul;

Galatians 6:15

For neither is circumcision nor the omission of it anything; but a new nature is everything.

Matthew 3:9

And do not think that you can say among yourselves 'Abraham is our ancestor,' for I tell you that out of these very stones God is able to raise descendants for Abraham!

Romans 9:6-8

Not that God's Word has failed. For it is not all who are descended from Israel who are true Israelites;

Revelation 2:9

I know your persecution and your poverty--yet you are rich! I know, too, the slander that come from those who declare that they are Jews, though they are not, but are a Congregation of Satan.

John 1:47

When Jesus saw Nathanael coming towards him, he said: "Here is a true Israelite, in whom there is no deceit!"

John 8:37-39

I know that you are descendants of Abraham; yet you are seeking to put me to death, because my Message finds no place in your hearts.

Romans 2:17

But, perhaps, you bear the name of 'Jew,' and are relying upon Law, and boast of belonging to God, and understand his will,

Romans 4:10-12

Under what circumstances, then, did this take place? After his circumcision or before it?

1 Peter 3:21

And baptism, which this foreshadowed, now saves you--not the mere cleansing of the body, but the search of a clear 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 that God's Word has failed. For it is not all who are descended from Israel who are true Israelites;
Matthew 3:9
And do not think that you can say among yourselves 'Abraham is our ancestor,' for I tell you that out of these very stones God is able to raise descendants for Abraham!
John 1:47
When Jesus saw Nathanael coming towards him, he said: "Here is a true Israelite, in whom there is no deceit!"
John 8:37
I know that you are descendants of Abraham; yet you are seeking to put me to death, because my Message finds no place in your hearts.
Galatians 6:15
For neither is circumcision nor the omission of it anything; but a new nature is everything.
Revelation 2:9
I know your persecution and your poverty--yet you are rich! I know, too, the slander that come from those who declare that they are Jews, though they are not, but are a Congregation of Satan.

Neither

Romans 4:10
Under what circumstances, then, did this take place? After his circumcision or before it?
1 Peter 3:21
And baptism, which this foreshadowed, now saves you--not the mere cleansing of the body, but the search of a clear conscience after God--through the resurrection of Jesus Christ,