Romans 4:16
For this reason it is by faith so that it may be by grace, with the result that the promise may be certain to all the descendants -- not only to those who are under the law, but also to those who have the faith of Abraham, who is the father of us all
Romans 9:8
This means it is not the children of the flesh who are the children of God; rather, the children of promise are counted as descendants.
Romans 15:8
For I tell you that Christ has become a servant of the circumcised on behalf of God's truth to confirm the promises made to the fathers,
Galatians 3:22
But the scripture imprisoned everything and everyone under sin so that the promise could be given -- because of the faithfulness of Jesus Christ -- to those who believe.
Isaiah 51:2
Look at Abraham, your father, and Sarah, who gave you birth. When I summoned him, he was a lone individual, but I blessed him and gave him numerous descendants.
Romans 3:24-26
But they are justified freely by his grace through the redemption that is in Christ Jesus.
Romans 4:11
And he received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised, so that he would become the father of all those who believe but have never been circumcised, that they too could have righteousness credited to them.
Romans 5:1
Therefore, since we have been declared righteous by faith, we have peace with God through our Lord Jesus Christ,
Galatians 3:7-12
so then, understand that those who believe are the sons of Abraham.
Ephesians 2:5
even though we were dead in transgressions, made us alive together with Christ -- by grace you are saved! --
Ephesians 2:8
For by grace you are saved through faith, and this is not from yourselves, it is the gift of God;
Titus 3:7
And so, since we have been justified by his grace, we become heirs with the confident expectation of eternal life."
Hebrews 6:13-19
Now when God made his promise to Abraham, since he could swear by no one greater, he swore by himself,
2 Peter 1:10
Therefore, brothers and sisters, make every effort to be sure of your calling and election. For by doing this you will never stumble into sin.