The heart — They shall have no heart to do any thing, they shall not be able to help their people, either by their counsel or arms. Prophets — False prophets that had nothing but visions of peace for them.
Related Commentaries of Jeremiah 4:9
Jeremiah 4:9
9 And it shall come to pass at that day, saith the LORD, that the heart of the king shall perish, and the heart of the princes; and the priests shall be astonished, and the prophets shall wonder.