Fourth Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
19:6And Isaias said to them: Thus shall you say to your master: Thus saith the Lord: Be not afraid for the words which thou hast heard, with which the servants of the king of the Assyrians have blasphemed me.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.