Romans 4:1
The Illustration of Justification
4:1 What then shall we say that Abraham, our ancestor according to the flesh, has discovered regarding this matter?
Romans 4:3
4:3 For what does the scripture say? “Abraham believed God, and it was credited to him as righteousness.”
Romans 4:23
4:23 But the statement it was credited to him was not written only for Abraham’s sake,
Romans 9:7
9:7 nor are all the children Abraham’s true descendants; rather “through Isaac will your descendants be counted.”