Romans 2:28

For he is not a real Jew who is one outwardly, nor is true circumcision something outward and in the flesh.

Galatians 6:15

For neither is circumcision anything, nor uncircumcision, but what counts is a new creation.

Matthew 3:9

and do not think to say to yourselves, 'We have Abraham as our father.' For I tell you that God is able to raise up children to Abraham from these stones.

Romans 9:6-8

But it is not as though the word of God had failed. For not all who are descended from Israel are Israel,

Revelation 2:9

I know your tribulation and your poverty (but you are rich) and I know the slander of those who say that they are Jews and are not, but are a synagogue of Satan.

John 1:47

Jesus saw Nathanael coming toward him, and said of him, "Behold, an Israelite indeed, in whom is no deceit!"

John 8:37-39

I know that you are Abraham's descendants, yet you seek to kill me, because my word has no place in you.

Romans 2:17

But if you call yourself a Jew, and rely on the law and boast of your relation to God

Romans 4:10-12

How then was it reckoned to him? Was it after he had been circumcised, or before? It was not after, but before he was circumcised.

1 Peter 3:21

And corresponding to that, baptism now saves younot the removal of dirt from the flesh, but an appeal to God for a good consciencethrough 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
But it is not as though the word of God had failed. For not all who are descended from Israel are Israel,
Matthew 3:9
and do not think to say to yourselves, 'We have Abraham as our father.' For I tell you that God is able to raise up children to Abraham from these stones.
John 1:47
Jesus saw Nathanael coming toward him, and said of him, "Behold, an Israelite indeed, in whom is no deceit!"
John 8:37
I know that you are Abraham's descendants, yet you seek to kill me, because my word has no place in you.
Galatians 6:15
For neither is circumcision anything, nor uncircumcision, but what counts is a new creation.
Revelation 2:9
I know your tribulation and your poverty (but you are rich) and I know the slander of those who say that they are Jews and are not, but are a synagogue of Satan.

Neither

Romans 4:10
How then was it reckoned to him? Was it after he had been circumcised, or before? It was not after, but before he was circumcised.
1 Peter 3:21
And corresponding to that, baptism now saves younot the removal of dirt from the flesh, but an appeal to God for a good consciencethrough the resurrection of Jesus Christ,