The subject in question was an important one. Hence he turns to several arguments, and endeavors by all means to solve the difficulty. For if it was at once strange and new for them to be cast out after so great promises, it is much more strange that we even should come into their good things, who did not expect anything of the kind. And the case was the same as if a king's son, who had promises made him that he should succeed to the power he had, were to be cast into the level of disreputable men, and in his place a condemned man, and one laden with evils unnumbered, after being taken out of prison, were to come into the power, which properly was the other's. For he means, what have you to say? That the son is unworthy? Well, but so is this man unworthy, and much more so. Hence he ought either to have been punished along with the former, or to have been honored along with him. Now it was something of this sort which befell the Jews and the Gentiles, or something far more strange than this. Now that all were unworthy, he has shown above, where he says, “For all have sinned, and come short of the glory of God.” But the new thing is, that when all were unworthy, the Gentiles were saved alone. And beside this there is another difficulty that some one may start, he says. If God had no intention of fulfilling the promises to them, why make them at all? For men who know not the future, and are many times deceived, do promise even the undeserving that they shall have their largesses. But He Who knows beforehand things to come as well as things present, and has a clear knowledge that they will make themselves undeserving of the promises, and therefore will not receive any of the things specified—why should He promise at all? Now what is Paul's way of meeting all this? It is by showing what the Israel is to whom He made the promise. For when this has been shown, there is at the same time demonstrated the fact that the promises were all fulfilled. And to point this out he said, “For they are not all Israel that are of Israel.” And this is why he does not use the name of Jacob, but that of Israel, which was a sign of the virtue of that just man, and of a gift from above, and of having seen God. Yet, “all,” he says, “have sinned, and come short of the glory of God.” Now if all have sinned, how come some to be saved, and some to perish? It is because all were not minded to come to Him, since for His part all were saved, for all were called. However, he does not set this down yet awhile, but meets it from an advantageous position, and from other examples, by bringing before them another question, and as in the former case meets a difficulty very great, by another difficulty. For when he was discussing how by Christ being justified all the rest enjoyed that righteousness, he brought in Adam's case, saying, “For if by one man's offense death reigned, much more they which receive abundance of grace shall reign in life.”. And the case of Adam, indeed, he does not clear up, but from it he clears up His (or his own), and shows that it was more reasonable that He Who died in their behalf should have power over them at His will. For that when one had sinned all should be punished, does not seem to be so very reasonable to most men. But that when One had done aright all should be justified, is at once more reasonable and more suited to God. Yet still he has not solved the difficulty he raised. For the more obscure that point remained, the more the Jew was put to silence. And the difficulty of his position passed over to the other, and this become clearer from it (Mar. and 4 manuscripts “than that”). So in this passage also, it is by raising other difficulties that he meets the questions raised, inasmuch as it was against Jews that he was contending. Hence he takes no pains to solve the examples which he has brought before us. For he was not answerable for them as in the fight against the Jews. But from them he makes his own subject throughout clearer. Why do you feel surprised, he means, that some of the Jews were saved, and some not saved at this time? Why of old, in the patriarch's times, one may see this happening. For why was Isaac only called the seed, and yet he was the father of Ishmael also, and of several others. “But he was of a mother that was a slave.” And what has this to do with his father? Still I will not be captious. Let this son be set aside on his mother's account. What are we to say of those sprung from Keturah? Were they not free, and from a mother that was free? How came they not to be honored with the same preference as Isaac? And why do I speak of these? For Rebecca was even Isaac's only wife, and bearing two children she bore them both to Isaac; still those so born, though of the same father, and the same mother, and the fruit of the same labor, being both of one father and one mother, and twins besides, yet did not enjoy the same lot. And yet here you have no mother's slavery to account for it, as in Ishmael's case, nor can you say that one was begotten of this womb and the other of a different one, as in the case of Keturah and Sarah, since in this case they had the same hour in common to them for their birth. This was why Paul then, in order to give a clearer example, says that this happened not in Isaac's case only, “but when Rebecca also had conceived by one, even by our father Isaac.”
Ver. 11-13. “For the children being not yet born, neither having done any good or evil, that the purpose of God according to election might stand, not of works, but of him that calls, it was said unto her, the elder shall serve the younger. As it is written, Jacob have I loved, but Esau have I hated.”
What was the cause then why one was loved and the other hated? Why was it that one served, the other was served? It was because one was wicked, and the other good. And yet the children being not yet born, one was honored and the other condemned. For when they were not as yet born, God said, “the elder shall serve the younger.” With what intent then did God say this? Because He does not wait, as man does, to see from the issue of their acts the good and him who is not so, but even before these He knows which is the wicked and which not such. And this took place in the Israelites' case also, in a still more wonderful way. Why, he says, do I speak of Esau and of Jacob, of whom one was wicked and the other good? For in the Israelites' case, the sin belonged to all, since they all worshipped the calf. Yet notwithstanding some had mercy shown them, and others had not.
Ver. 15. “For I will have mercy, He says, on whom I will have mercy, and I will show compassion on whom I will show compassion.”
Source: Homilies on Romans (New Advent)