And do not choose to say within yourselves, 'We have Abraham as our father.' For I tell you that God has the power to raise up sons to Abraham from these stones.
In this way, you shall be sons of your Father, who is in heaven. He causes his sun to rise upon the good and the bad, and he causes it to rain upon the just and the unjust.
and he might be the father of circumcision, not only for those who are of circumcision, but even for those who follow the footsteps of that faith which is in the uncircumcision of our father Abraham.
Because of this, it is from faith according to grace that the Promise is ensured for all posterity, not only for those who are of the law, but also for those who are of the faith of Abraham, who is the father of us all before God,