Galatians 3:9

So then those who are people of faith [whether Jew or Gentile] are blessed and favored by God [and declared free of the guilt of sin and its penalty, and placed in right standing with Him] along with Abraham, the believer.

Romans 4:16

Therefore, [inheriting] the promise depends entirely on faith [that is, confident trust in the unseen God], in order that it may be given as an act of grace [His unmerited favor and mercy], so that the promise will be [legally] guaranteed to all the descendants [of Abraham]—not only for those [Jewish believers] who keep the Law, but also for those [Gentile believers] who share the faith of Abraham, who is the [spiritual] father of us all—

Romans 4:11

He received the sign of circumcision, a seal or confirmation of the righteousness which he had by faith while [he was still] uncircumcised—this was so that he would be the [spiritual] father of all who believe without being circumcised—so that righteousness would be credited to them,

Romans 4:24

but for our sake also—to whom righteousness will be credited, as those who believe in Him who raised Jesus our Lord from the dead—

Galatians 3:7-8

So understand that it is the people who live by faith [with confidence in the power and goodness of God] who are [the true] sons of Abraham.

Galatians 3:14

in order that in Christ Jesus the blessing of Abraham might also come to the Gentiles, so that we would all receive [the realization of] the promise of the [Holy] Spirit through faith.

Galatians 3:29

And if you belong to Christ [if you are in Him], then you are Abraham’s descendants, and [spiritual] heirs according to [God’s] promise.

Galatians 4:28

And we, [believing] brothers and sisters, like Isaac, are children [not merely of physical descent, like Ishmael, but are children born] of promise [born miraculously].

Treasury of Scripture Knowledge

Summary

So then they which be of faith are blessed with faithful Abraham.

Bible References

General references

Galatians 3:7
So understand that it is the people who live by faith [with confidence in the power and goodness of God] who are [the true] sons of Abraham.
Galatians 4:28
And we, [believing] brothers and sisters, like Isaac, are children [not merely of physical descent, like Ishmael, but are children born] of promise [born miraculously].
Romans 4:11
He received the sign of circumcision, a seal or confirmation of the righteousness which he had by faith while [he was still] uncircumcised—this was so that he would be the [spiritual] father of all who believe without being circumcised—so that righteousness would be credited to them,