God speaks to his prophet in Jeremiah 18 to observe the Potter making clay at his wheel. in Jeremiah 19 God shares via Jeremiah that some of the leaders were like a pot that needed to be broken as they were a rebellious people that would not be moulded.
Learn the practical lessons shown in front of your eyes like Jeremiah had to watch - how the clay is pummeled, wedged, rolled, hollowed, squashed, decorated, and can be remoulded if mistakes are made prior to its final firing.