Romans 4:16
For this reason, the promise [i.e., of being made right with God] comes through faith [in God], according to His unearned favor, so that it may be [given] with certainty to all of Abraham's descendants. The promise is given not only to those [who live] under the law [i.e., the Jews], but also to [all] those [who live] by faith, like Abraham. Abraham is the [spiritual] father of all of us [believers],
Romans 9:8
This means that it is not the physical descendants [of Abraham] who are God's children, but it is the children [born] according to [God's] promise who are [Abraham's true] descendants.
Romans 15:8
For I tell you that Christ was [appointed] to be a servant of the circumcised ones [i.e., the Jews], in order to uphold the truth of God. This was so He could confirm [as valid] the promises made to our forefathers,
Galatians 3:22
But the Scriptures indicate that everything [i.e., everyone] is under the control of sin, so that the promise [of never ending life] could be available [only] to those who have faith in Jesus Christ.
Romans 3:24-26
But people are made right with Him as a free gift by His unearned favor, through being bought back [from Satan] by Christ Jesus.
Romans 4:11
He received the sign of circumcision as a seal [confirming] that he had been [considered] righteous because of the faith he had before being circumcised. Thus, he became the [spiritual] father of all people who believe [in God], even though they have not been circumcised, so that they could be considered righteous [by their faith].
Romans 5:1
So, since we are made right with God by [our] faith, we have peace with Him through our Lord Jesus Christ.
Galatians 3:7-12
You should know, then, that people who have faith are [truly] God's children.
Ephesians 2:5
restored [spiritual] life to us with Christ, even though we were [spiritually] dead because of our sins --- it is by God's unearned favor that you have been saved.
Ephesians 2:8
For you have been saved by God's unearned favor, through [your] faith, and that [salvation] was not the result of your own doing; it was the gift from God.
Titus 3:7
[This was] so that, being made right with God by His unearned favor, we could have the hope of [possessing our] inheritance of never ending life [in heaven].
Hebrews 6:13-19
For when God made a promise to Abraham, since He could not make a vow by anyone greater, He vowed by Himself,
2 Peter 1:10
So, brothers, be diligent to make sure of your calling and election [i.e., of your status as being selected by God], for when you do, you will never stumble [and fall away from God].