The Anger of God: The Justice of, not to be Questioned

Therefore God has mercy on whom He wants to have mercy, and He hardens whom He wants to harden.

But who are you, O man, to talk back to God? Shall what is formed say to Him who formed it, “Why did You make me like this?”

What if God, intending to show His wrath and make His power known, bore with great patience the vessels of His wrath, prepared for destruction?