Isaiah 36:4, 6

Then Rabshakeh said to them, “Say now to Hezekiah, ‘Thus says the great king, the king of Assyria, “What is this confidence that you have?

Behold, you rely on the staff of this crushed reed, even on Egypt, on which if a man leans, it will go into his hand and pierce it. So is Pharaoh king of Egypt to all who rely on him.