8 That is, They which are the children of the flesh, these are not the children of God: but the children of the promise are counted for the seed.
8
In other words, it is not the children by physical descent who are God’s children, but it is the children of the promise who are regarded as Abraham’s offspring.
9 For this is the word of promise, At this time will I come, and Sara shall have a son.
9
For this was how the promise was stated: “At the appointed time I will return, and Sarah will have a son.”