Romans 2:28

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

Galatians 6:15

For in Christ Jesus neither is circumcision anything, nor uncircumcision; but new creation.

Matthew 3:9

And do not think to say within yourselves, We have Abraham for our father; for I say unto you, that God is able of these stones to raise up children to Abraham.

Romans 9:6-8

Not however as though the word of God had failed; for not all are Israel which are of Israel;

Revelation 2:9

I know thy tribulation and thy poverty; but thou art rich; and the railing of those who say that they themselves are Jews, and are not, but a synagogue of Satan.

Psalm 73:1

{A Psalm of Asaph.} Truly God is good to Israel, to such as are of a pure heart.

Isaiah 1:9-15

Unless Jehovah of hosts had left us a very small residue, we should have been as Sodom, we should have been like unto Gomorrah.

Isaiah 48:1-2

Hear ye this, house of Jacob, who are called by the name of Israel, and are come forth out of the waters of Judah, who swear by the name of Jehovah, and make mention of the God of Israel, not in truth, nor in righteousness.

Jeremiah 9:26

Egypt, and Judah, and Edom, and the children of Ammon, and Moab, and all that have the corners of their beard cut off, that dwell in the wilderness: for all the nations are uncircumcised, and all the house of Israel are uncircumcised in heart.

Hosea 1:6-9

And she conceived again, and bore a daughter. And he said unto him, Call her name Lo-ruhamah; for I will no more have mercy upon the house of Israel, so that I should pardon them.

John 1:47

Jesus saw Nathanael coming to him, and says of him, Behold one truly an Israelite, in whom there is no guile.

John 8:37-39

I know that ye are Abraham's seed; but ye seek to kill me, because my word has no entrance in you.

Romans 2:17

But if thou art named a Jew, and restest in the law, and makest thy boast in God,

Romans 4:10-12

How then has it been reckoned? when he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision.

1 Peter 3:21

which figure also now saves you, even baptism, not a putting away of the filth of flesh, but the demand as before God of a good conscience, by 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 as though the word of God had failed; for not all are Israel which are of Israel;
Psalm 73:1
{A Psalm of Asaph.} Truly God is good to Israel, to such as are of a pure heart.
Isaiah 1:9
Unless Jehovah of hosts had left us a very small residue, we should have been as Sodom, we should have been like unto Gomorrah.
Isaiah 48:1
Hear ye this, house of Jacob, who are called by the name of Israel, and are come forth out of the waters of Judah, who swear by the name of Jehovah, and make mention of the God of Israel, not in truth, nor in righteousness.
Hosea 1:6
And she conceived again, and bore a daughter. And he said unto him, Call her name Lo-ruhamah; for I will no more have mercy upon the house of Israel, so that I should pardon them.
Matthew 3:9
And do not think to say within yourselves, We have Abraham for our father; for I say unto you, that God is able of these stones to raise up children to Abraham.
John 1:47
Jesus saw Nathanael coming to him, and says of him, Behold one truly an Israelite, in whom there is no guile.
John 8:37
I know that ye are Abraham's seed; but ye seek to kill me, because my word has no entrance in you.
Galatians 6:15
For in Christ Jesus neither is circumcision anything, nor uncircumcision; but new creation.
Revelation 2:9
I know thy tribulation and thy poverty; but thou art rich; and the railing of those who say that they themselves are Jews, and are not, but a synagogue of Satan.

Neither

Jeremiah 9:26
Egypt, and Judah, and Edom, and the children of Ammon, and Moab, and all that have the corners of their beard cut off, that dwell in the wilderness: for all the nations are uncircumcised, and all the house of Israel are uncircumcised in heart.
Romans 4:10
How then has it been reckoned? when he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision.
1 Peter 3:21
which figure also now saves you, even baptism, not a putting away of the filth of flesh, but the demand as before God of a good conscience, by the resurrection of Jesus Christ,