That day he also announced a sign, “This is the sign the Lord has predetermined: The altar will be split open and the ashes on it will fall to the ground.”
When the king heard what the prophet cried out against the altar in Bethel, Jeroboam, standing at the altar, extended his hand and ordered, “Seize him!” The hand he had extended shriveled up and he could not pull it back.
Hezekiah had said to Isaiah, “What is the confirming sign that the Lord will heal me and that I will go up to the Lord’s temple the day after tomorrow?”
When Moses and Aaron went to Pharaoh, they did so, just as the Lord had commanded them – Aaron threw down his staff before Pharaoh and his servants and it became a snake.
Moreover the Lord says, ‘I will make something happen to prove that I will punish you in this place. I will do it so that you will know that my threats to bring disaster on you will prove true.