Jeremiah 5:3 (a) These rebellious people had set their hearts against GOD, against His temple, against His sacrifices, and against His law. This rebellion was revealed in their faces. They showed the hatred of their hearts by their countenances.
Ezekiel 3:9 (a) GOD gave to His servant, the prophet, needed grace to face his enemies with a calm, quiet, peaceful countenance. GOD enabled him to do this quietly and with confidence. This was revealed in his face.