In Genesis, Sarah explicitly refers to a one-time act: “Drive out this slave and her child, for the child of this slave will not share in the inheritance with my son, Isaac” (Gen. 21:10, emphasis added to the words that Paul changes). Paul, however, takes for granted that the ...
(Gal 3:26-29). Thus Christians can speak confidently of Abraham as "the father of the faithful, " and praise a merciful God because it was through his fidelity in remote ages that our eternal salvation has become an actuality. Abraham, Sarah, Isaac, and others are no longer shadowy ...