Writing, essay
Furnace and Cauldron
What the furnace and the cauldron are in internal alchemy, and why the body has to be prepared before anything can be cooked.
First published April 2016 on the old nathanbrine.com blog.
(Note: this is not a how-to guide. It is complementary material for Course One of the DGI Internal Alchemy Program.)
an lu she ding 安爐設鼎 - stabilize furnace set up cauldron
Stabilizing the furnace and setting up the cauldron is a vital step in neidan practice.
The furnace and cauldron are metaphors. What they represent shifts with the stage of practice. During the first alchemical stage, “refining essence into qi,” they represent the following:
furnace = body
cauldron = either the inner cavity, the abdominal cavity, or the lower dantian.
Therefore, to stabilize the furnace means to stabilize the body. To set up the cauldron means to set up a space inside the body to receive energy for transformation.
Internal alchemy is like baking a cake. We first prepare the oven, set up a pan, put the ingredients in the pan, and then turn on the fire and bake the cake. Except with neidan we have an elixir instead of a cake. Now, if we don’t have ingredients, it doesn’t work. If we don’t have a pan, it doesn’t work. If we don’t have heat, or can’t contain the heat, we also don’t have an elixir (or a cake, for that matter, and who doesn’t want cake?).
So to get anything done, we first need to stabilize the furnace and set up the cauldron. For now the ingredients can wait.
One way to stabilize the furnace is with body pore breathing. Following the instructions, we concentrate our shen (spirit) on our body pores and then use nose or inner breathing to activate and move them. This establishes the boundary of the human universe. Once our physical body is sealed, we can go inside the body and set up the cauldron.
The cauldron is a container for holding and cooking the alchemical ingredients.
Before we can put anything in the cauldron, we need to set it up. This can be done in a number of ways. Many of the methods use intention and subtle breathing to activate the area in question. It’s important to focus our shen and awareness in the area. Also pay attention to any sensations there, such as movement, heat, or light. The first cauldron we generally set up is the lower abdominal cavity, or lower space (下空). The lower space contains the energies connected with our personal existence (本體能量). This space likes to move. Once the furnace is ready, we follow the guided instructions to set up the cauldron in the lower abdominal space.
Another way to set up the cauldron is with pain (don’t try this at home unless you know what you’re doing). Leg pain during long neidan sessions can be turned into hot jing qi 精氣. This qi can move up through the marrow of the leg bones to heat up the two sit bones and the coccyx. These three points are the three legs of the cauldron (in Chinese the cauldron has three legs and is called a ding 鼎). This method can be used to set up a number of cauldrons inside the torso as the jing qi rises up the spine.
The furnace and cauldron are metaphors. They are helpful images to guide our practice. For the uninitiated, neidan can be a bit confusing at times. It is a complex, multidimensional internal art. Using metaphors to frame the process is a helpful way to keep it all sorted.