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].
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 4:23
But the child of the slave woman was born according to the flesh and had an ordinary birth, while the son of the free woman was born in fulfillment of the promise.
Romans 4:13-18
For the promise to Abraham or to his descendants that he would be heir of the world was not through [observing the requirements of] the Law, but through the righteousness of faith.
Romans 9:8-9
That is, it is not the children of the body [Abraham’s natural descendants] who are God’s children, but it is the children of the promise who are counted as [Abraham’s true] descendants.
Acts 3:25
You are the sons (descendants) of the prophets and [heirs] of the covenant which God made with your fathers, saying to Abraham, ‘And in your seed (descendant) all the families of the earth shall be blessed.’
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