Romans 9:16-21 teaches God unilaterally hardens whomever he wills (using Pharaoh as the example) and then punishes people for the hardness he himself caused, with the potter/clay analogy implying the clay has no say in becoming a 'vessel of dishonour' — meaning God arbitrarily creates some people just to damn them.

Romans 9-11 as a whole wrestles with Israel's corporate covenant status in redemptive history (why many Jews have not embraced the Messiah while Gentiles are grafted in), not an abstract treatise on individual predestination to heaven or hell — the 'corporate election' reading (N.T. Wright, and echoed across Arminian, Wesleyan, and Orthodox traditions) reads Jacob/Esau (9:12-13, quoting Malachi 1:2-3) as concerning the nations descended from them (Israel/Edom) and their historical roles, not their individual eternal destinies. On Pharaoh's hardening, Exodus's own alternating pattern is decisive: Pharaoh hardens his own heart first and repeatedly (Exod 7:13-14, 22; 8:15, 19, 32; 9:34-35, kabed, 'to make heavy/stubborn') before the text says the LORD hardens Pharaoh's heart (chiefly from 9:12, chazaq, 'to strengthen'), a judicial hardening confirming a chosen trajectory — structurally identical to Romans 1:24-28's 'God gave them up' pattern — not an arbitrary imposition on a morally neutral party. The potter/clay image (9:20-21) draws directly on Jeremiah 18:1-10 and Isaiah 29:16/45:9, where, in the fuller Jeremiah version, the potter's reshaping is explicitly responsive to the clay's (the nation's) own behavior and repentance — an image of creaturely humility before the Creator's prerogatives and human accountability, not causeless design of individuals for hell. It should be conceded honestly that this text has generated centuries of serious, faithful disagreement even among conservative, inerrantist Christians (Reformed double-predestination readings, Arminian conditional-election readings, and corporate-election readings all remain live options) — the 'arbitrary damnation' reading, while held by some, is far from the only responsible one and sits uneasily with Paul's own anguished, non-fatalistic tone throughout Romans 9-11, culminating in 'all Israel shall be saved' (11:26) and 1 Timothy 2:4's statement that God wills all to be saved.

A God who justly confirms persons and nations in the trajectory of their own freely chosen rebellion — rather than arbitrarily consigning innocents — upholds both divine sovereignty over history and genuine human moral responsibility, consistent with the canon's wider pattern (Genesis 6:5's 'every imagination... continually evil' preceding judgment, Romans 1's 'gave them up,' Pharaoh's own repeated self-hardening) that judgment confirms rather than causes rebellion.