Yesaya 36:4

36:4 The chief adviser said to them, “Tell Hezekiah: ‘This is what the great king, the king of Assyria, says: “What is your source of confidence? ¹ 

Yesaya 36:6

36:6 Look, you must be trusting in Egypt, that splintered reed staff. If someone leans on it for support, it punctures his hand and wounds him. That is what Pharaoh king of Egypt does to all who trust in him!

[36:4]  ¹ tn Heb “What is this object of trust in which you are trusting?”