Isaiah 36:4, 6

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

Look! You are trusting in the staff of this broken reed, 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 trust in him.