2 Kings 18:19 in the King James Version
And Rab-shakeh said unto them, Speak ye now to Hezekiah, Thus saith the great king, the king of Assyria, What confidence is this wherein thou trustest?
Context
18 When they had called to the king, Eliakim the son of Hilkiah, who was over the household, and Shebnah the scribe, and Joah the son of Asaph the recorder came out to them.
19 Rabshakeh said to them, “Say now to Hezekiah, ‘The great king, the king of Assyria, says, “What confidence is this in which you trust?
20 You say (but they are but vain words), ‘There is counsel and strength for war.’ Now on whom do you trust, that you have rebelled against me?