2 Kings 18:20-21

20Thou sayest, but they are but vain words, There is counsel and strength for the war. Now on whom dost thou trust, that thou hast rebelled against me?

21Now, behold, thou trustest upon the staff of this bruised reed, even upon Egypt; whereon if a man lean, it will go into his hand, and pierce it: so is Pharaoh king of Egypt unto all that trust on him.