make known the riches of his glory in the vessels of mercy which he has prepared for glory.”23 Here, perhaps troubled, you return to that question: “he has mercy on whom he wants, and he hardens whom he wants. What then does he still complain about? For who resists his will?”24 By all means he has mercy on whom he wants, and he hardens whom he wants, but this will of God cannot be unjust. For it springs from deeply hidden merits, because, even though sinners themselves have constituted a single mass