Galatians 3:7
Notice therefore that those who possess faith are true sons of Abraham.
Galatians 3:9
So we see that it is those who possess faith that are blessed with believing Abraham.
Luke 19:9
Turning towards him, Jesus replied, "To-day salvation has come to this house, seeing that he too is a son of Abraham.
Luke 21:31
So also, when you see these things happening, you may be sure that the Kingdom of God is near.
John 8:39
"Our father is Abraham," they said. "If you were Abraham's children," replied Jesus, "it is Abraham's deeds that you would be doing.
Romans 4:11-16
Before, not after. And he received circumcision as a sign, a mark attesting the reality of the faith-righteousness which was his while still uncircumcised, that he might be the forefather of all those who believe even though they are uncircumcised--in order that this righteousness might be placed to their credit;
Romans 4:24
it was for our sakes too. Faith, before long, will be placed to the credit of us also who are believers in Him who raised Jesus, our Lord, from the dead,
Romans 9:7-8
nor because they are Abraham's true children. But the promise was "Through Isaac shall your posterity be reckoned."
Galatians 3:26-29
You are all sons of God through faith in Christ Jesus;
Hebrews 13:23
You will rejoice to hear that our brother Timothy has been set at liberty. If he comes soon, I will see you with him.