Ro 2:28 For he is not a Jew who is one outwardly, nor is circumcision that which is outward in the flesh;
Ro 2:29 but he is a Jew who is one inwardly; and circumcision is that of the heart, in the Spirit, not in the letter; whose praise is not from men but from God.
Mt 3:9 "and do not think to say to yourselves, 'We have Abraham as our father.' For I say to you that God is able to raise up children to Abraham from these stones.
Joh 8:39 They answered and said to Him, "Abraham is our father." Jesus said to them, "If you were Abraham's children, you would do the works of Abraham.
Joh 8:40 "But now you seek to kill Me, a Man who has told you the truth which I heard from God. Abraham did not do this.