Isaiah 36:4, 6

The field commander said to them, “Tell Hezekiah this: “ ‘The great king, the king of Assyria, says: What can you trust in now?

Look, you are depending on Egypt to help you, but Egypt is like a splintered walking stick. If you lean on it for help, it will stab your hand and hurt you. The king of Egypt will hurt all those who depend on him.