Romans 9:11-15, 18, 21

though they were not yet born and had done nothing either good or bad—in order that God’s purpose of election might continue, not because of works but because of him who calls— she was told, “The older will serve the younger.” As it is written, “Jacob I loved, but Esau I hated.” What shall we say then? Is there injustice on God’s part? By no means! For he says to Moses, “I will have mercy on whom I have mercy, and I will have compassion on whom I have compassion.”

So then he has mercy on whomever he wills, and he hardens whomever he wills.

Has the potter no right over the clay, to make out of the same lump one vessel for honorable use and another for dishonorable use?