Galatians 4:28

But ye, brethren, as Isaac was, are children of a promise.

Galatians 3:29

and if ye belong to Christ, then are ye Abrahams offspring, heirs according to the promise.

Galatians 4:23

But the one by the bondwoman was born after the flesh; while the one by the freewoman was through the promise.

Romans 4:13-18

For not through the Law was the promise made to Abraham or his offspring that he should be the heir of the world, but through the righteousness of faith.

Romans 9:8-9

That is, not the children by natural descent are children of God, but the children to whom the promise is made are accounted as the offspring.

Acts 3:25

Ye are the sons of the prophets, and of the covenant which God made with our fathers, saying to Abraham, "And in thy posterity shall all the families of the earth be blessed."

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