John 8:33

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.

“Therefore bear fruits in keeping with repentance, and do not begin to 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.

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

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