There are two vessels in the Yijing: 50:Jing (The Well) and the 48:Ding (The Bronze Sacrificial Vessel).
The Well is the symbol of the Dao itself and the energy we draw on as well as a barometer for the ‘Who we are being’ in relation to it.
The Ding or Bronze Sacrificial Vessel is the image the Yijing uses to describe itself, as well as the barometer of our relationship to Change. How we are managing ourselves through the changes.
Both ask us to consider how we are being and what we are doing at a deep level.
Here is a brief article by Stephen Karcher which explores some of the subtleties of the Yijing’s view of Change itself. Some of the key ways we are destined to relate to Change merely by being alive. Ding as a Symbol of Change
Kevin