As it is written and forever remains written, “Jacob I loved (chose, protected, blessed), but Esau I hated (held in disregard compared to Jacob).”

However, it is not as though God’s word has failed [coming to nothing]. For not all who are descended from Israel (Jacob) are [the true] Israel;

For even before the twins were born, and therefore had not done anything good or bad, Rebecca was told [Gen. 25:23], "The older one [i.e., Esau] will serve the younger one [i.e., Jacob]." This was so that God's purpose of choosing and calling [whomever He wanted to] might prevail, instead of [it depending on] what a person did.

and so in that way all Israel will be saved, just as the Scripture says: "From Zion the Deliverer will come; He will remove ungodliness from Jacob;