2 Chronicles 32:31 (NIV)
31 But when envoys were sent by the rulers of Babylon to ask him about the miraculous sign that had occurred in the land, God left him to test him and to know everything that was in his heart.
2 Chronicles 32:32 (NIV)
32 The other events of Hezekiah’s reign and his acts of devotion are written in the vision of the prophet Isaiah son of Amoz in the book of the kings of Judah and Israel.