Galatians 4:28
Now we, brothers, are like Isaac, children born in fulfilment of the promise.
Galatians 3:29
And if you belong to Christ, then you are true descendants of Abraham and his heirs under the promise.
Galatians 4:23
But the child of the slave-girl was born in the ordinary course of nature, while the child of the free woman was born in fulfilment of the promise.
Romans 4:13-18
For the promise made to Abraham and his descendants that the world should belong to him did not come to him or his descendants through the Law, but through the uprightness that resulted from his faith.
Romans 9:8-9
That is to say, it is not his physical descendants who are children of God, but his descendants born in fulfilment of the promise who are considered his true posterity.
Acts 3:25
You are the descendants of the prophets and the heirs of the agreement that God made with your forefathers when he said to Abraham, 'Through your posterity all the families of the earth will be blessed.'
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