Romans 2:28

For he is not a Jew, who is one outwardly; nor is that circumcision, which is outward in flesh;

Galatians 6:15

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

Matthew 3:9

and think not to say within yourselves, 'As a father we have Abraham;' for I say to you, that God is able out of these stones to raise up children to Abraham.

Romans 9:6-8

But it is not as though the word of God has failed: for they are not all Israel, who are of Israel;

Revelation 2:9

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

John 1:47

Jesus saw Nathanael coming to Him, and He saith to him, "Behold, an Israelite, indeed, in whom there is no guile!"

John 8:37-39

I know that ye are Abraham's seed; but ye are seeking to kill Me, because My word has no place in you.

Romans 2:17

But, if you are called a Jew, and are resting upon the law, and are boasting in God,

Romans 4:10-12

How, then, was it reckoned? When he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision.

1 Peter 3:21

which, in its anti-type, immersion, now saves you also (not a putting away of the filth of flesh, but the requirement of a good conscience toward 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
But it is not as though the word of God has failed: for they are not all Israel, who are of Israel;
Matthew 3:9
and think not to say within yourselves, 'As a father we have Abraham;' for I say to you, that God is able out of these stones to raise up children to Abraham.
John 1:47
Jesus saw Nathanael coming to Him, and He saith to him, "Behold, an Israelite, indeed, in whom there is no guile!"
John 8:37
I know that ye are Abraham's seed; but ye are seeking to kill Me, because My word has no place in you.
Galatians 6:15
For neither is circumcision anything, nor uncircumcision, but a new creation.
Revelation 2:9
"I know your tribulation, and your poverty (but you are rich), and the blasphemy of those who say they are Jews, and are not, but are a synagogue of Satan.

Neither

Romans 4:10
How, then, was it reckoned? When he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision.
1 Peter 3:21
which, in its anti-type, immersion, now saves you also (not a putting away of the filth of flesh, but the requirement of a good conscience toward God), through the resurrection of Jesus Christ,