John 8:39

and do not suppose that you can say to yourselves, ‘We have Abraham for our father’; for I say to you that from these stones God is able to raise up children to Abraham.

They answered Him, “We are Abraham’s seed and have never yet been enslaved to anyone. How is it that You say, ‘You will become free’?”

“I know that you are Abraham’s seed; yet you are seeking to kill Me, because My word has no place in you.

“Why do you not understand what I am saying? It is because you cannot hear My word.

“Your father Abraham rejoiced to see My day, and he saw it and was glad.”

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

nor are they all children because they are Abraham’s seed, but: “through Isaac your seed will be named.”