Shared ground

Paul expects that his claim about God’s freedom in choosing (earlier in Romans 9) will sound morally troubling. So he voices the objection directly: “Is there unrighteousness with God?” and rejects it (v.14). The text’s explicit point is that God is not doing wrong by acting this way.

Paul then supports the denial with two Scripture examples. First, God’s words to Moses show that mercy and compassion are not owed; they are given because God chooses to give them (vv.15–16). Paul draws a clear conclusion: the deciding factor is not human “willing” or “running” (desire or effort), but God showing mercy.

Second, Pharaoh’s role in the story served a purpose: God’s power would be displayed, and God’s name would be widely known (v.17). Paul ends with a paired summary: God shows mercy to whom God wants, and God hardens whom God wants (v.18).

Where interpretation differs (only where needed)

One disagreement is how broad Paul’s “not of willing or running” claim is. Some read it as ruling out any meaningful human contribution to the outcome Paul is describing; any human response is real, but never the decisive cause. Others read it as aimed at a specific kind of “willing” and “running” (such as striving for status, identity, or acceptance on human terms), not as a denial that human believing or responding matters elsewhere in Romans.

Another disagreement is what “hardens” most directly refers to in v.18. Some understand it mainly as an inward hardening—God acting so that a person’s resistance becomes firm. Others emphasize that God hardens through outward means (circumstances, confrontation, being “given over”), and that the inner hardening is also tied to the person’s own prior resistance (as the Pharaoh story itself portrays).

A further disagreement concerns “raised you up” in v.17: whether it means God appointed Pharaoh to that position, preserved him through earlier plagues, or brought him onto the stage at that time. All three try to account for Paul’s claim that Pharaoh’s prominence served the stated purpose of displaying power and spreading God’s name.

Why the disagreement exists Paul’s argument is tight but brief. He states conclusions (“not of willing or running,” “hardens whom he wants”) without spelling out every step about how human actions relate to God’s actions. Also, the Moses and Pharaoh texts come from narratives where both God’s initiative and human choices are present; interpreters differ on which part Paul is highlighting most.

What this passage clearly contributes This unit anchors God’s mercy in God’s own freedom and purpose, not in human effort (vv.15–16). It also links God’s actions in history to public outcomes: God’s power and name become widely known (v.17). And it frames the moral question head-on: Paul denies that God’s freedom to show mercy and to harden amounts to wrongdoing (vv.14, 18).