Galatians 4:28

Now you, brothers, as Isaac was, are children of promise.

Galatians 3:29

If you are Christ's, then you are Abraham's seed and heirs according to promise.

Galatians 4:23

However, the son by the handmaid was born according to the flesh, but the son by the free woman was born through promise.

Romans 4:13-18

For the promise to Abraham and to his seed that he should be heir of the world was not through the law, but through the righteousness of faith.

Romans 9:8-9

That is, it is not the children of the flesh who are children of God, but the children of the promise are counted as a seed.

Acts 3:25

You are the children of the prophets, and of the covenant which God made with our fathers, saying to Abraham, 'In your seed will all the families of the earth be blessed.'

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