Galatians 2:15

"We are Jews by birth, and not 'Gentile sinners';

Ephesians 2:3

And among them we all once passed our lives, indulging the passions of our flesh, carrying out the dictates of our senses and temperament, and were by nature the children of wrath like all the rest.

Matthew 3:7-9

But when John saw that many of the Pharisees and Sadducees were coming for baptism, he said: "O brood of vipers! Who has warned you to flee from the wrath to come?

Matthew 9:11

When the Pharisees saw it, they kept saying to his disciples, "Why does your Teacher eat with the tax-gatherers and sinners?"

Mark 7:26-28

(the woman was a Greek, a Syro-phoenician by race), and again and again she begged him to cast the demon out of her daughter.

John 8:39-41

"Abraham is our father," they answered. "If you are indeed Abraham's children," said Jesus "do the deeds of Abraham.

Acts 22:21

"'Depart,' he said to me, 'for I will send you forth, far hence, to the Gentiles.'"

Romans 3:9

What then? Are we Jews in a better position? Not at all, for I have already charged all, both Jews and Gentiles, with being under sin.

Romans 4:16

This is why righteousness is of faith, that it may be a free gift; so that the promise stands firm to all Abraham's posterity; not to his children of his faith. For in the sight of the God in whom he believed, who gives life to the dead, and calls into being that which is not, Abraham is the father of us all both Jews and Gentiles,

Ephesians 2:11-12

Do not forget then, that you Gentiles in the flesh, who are called "uncircumcision" by the "circumcision" made in flesh by man's hand,

Philippians 3:4

although I myself might have confidence in outward rites. If any one else claims a right to trust in them, far more may I;

Titus 3:3

For we were ourselves once foolish, disobedient, deceived, slaving for various lusts and pleasures, passing our lives in malice and envy. We were hateful, and we hated one another.

Treasury of Scripture Knowledge

Summary

We who are Jews by nature, and not sinners of the Gentiles,

Bible References

Jews

Matthew 3:7
But when John saw that many of the Pharisees and Sadducees were coming for baptism, he said: "O brood of vipers! Who has warned you to flee from the wrath to come?
John 8:39
"Abraham is our father," they answered. "If you are indeed Abraham's children," said Jesus "do the deeds of Abraham.
Romans 4:16
This is why righteousness is of faith, that it may be a free gift; so that the promise stands firm to all Abraham's posterity; not to his children of his faith. For in the sight of the God in whom he believed, who gives life to the dead, and calls into being that which is not, Abraham is the father of us all both Jews and Gentiles,
Ephesians 2:3
And among them we all once passed our lives, indulging the passions of our flesh, carrying out the dictates of our senses and temperament, and were by nature the children of wrath like all the rest.

Sinners

Matthew 9:11
When the Pharisees saw it, they kept saying to his disciples, "Why does your Teacher eat with the tax-gatherers and sinners?"
Mark 7:26
(the woman was a Greek, a Syro-phoenician by race), and again and again she begged him to cast the demon out of her daughter.
Acts 22:21
"'Depart,' he said to me, 'for I will send you forth, far hence, to the Gentiles.'"
Romans 3:9
What then? Are we Jews in a better position? Not at all, for I have already charged all, both Jews and Gentiles, with being under sin.
Ephesians 2:11
Do not forget then, that you Gentiles in the flesh, who are called "uncircumcision" by the "circumcision" made in flesh by man's hand,
Titus 3:3
For we were ourselves once foolish, disobedient, deceived, slaving for various lusts and pleasures, passing our lives in malice and envy. We were hateful, and we hated one another.

General references

Romans 3:30
since there is one God who will justify the circumcised through faith, and by their faith will he justify the uncircumcised.
Galatians 2:18
For if I am rebuilding the very things which I destroyed, I am proving myself a transgressor.
Philippians 3:7
But what was once gain to me, that I have counted loss for Christ.