For He says to Moses: “I will have mercy on whom I have mercy, and I will have compassion on whom I have compassion.”
15. For he saith to Moses, etc. The quotation is from Exodus 33:19, and literally from the Septuagint. The verb ἐλεέω is to be taken here in the sense of showing favour rather than mercy, according to the meaning of the Hebrew word; for the idea of mercy is what the other verb, οἰκτείρω, conveys. Schleusner renders it here and in some other passages in this sense.
The apostle, having asserted the true meaning of the promise, comes here to maintain and prove the absolute sovereignty of God, in disposing of the children of men, with reference to their eternal state. And herein God is to be considered, not as a rector and governor, distributing rewards and punishments according to his revealed laws and covenants, but as an owner and benefactor, giving...
Commenting on Romans 9:14-24
So then it is not of him that willeth,.... This is not a consequence drawn by an adversary, showing that if this be the case, it signifies nothing for men to will or do, they may even sit still and do nothing, but depend on the mercy of God; but this is a conclusion of the apostle's from the above cited testimony, inferring from thence...