Is God unjust when he harden people's hearts?
God has always been selective. The blessing came through Isaac. Then the blessing came through Jacob. "Jacob I loved, Esau I hated." (Rom. 9:13) You say, "Wow, you mean God is that discriminating?" Verse 14 then says (and this is what the responder would say) "What shall we say then? Is this unjust? There is no injustice with God is there?" Mē genoito—the strongest negative in the Greek language—no, no, no, no. This isn't out of character for God to be selective. God never intended every Jew to be in the kingdom. For He says to Moses, God says, "I'll have mercy on whom I'll have mercy. I'll have compassion on whom I'll have compassion." And it doesn't depend on "the man who wills or the man who runs but on God who has mercy" (Rom. 9:15-16). And then He goes to Pharaoh, "'For this very purpose I raised you up to demonstrate My power in you, and that My name might be proclaimed throughout the whole ear...