Chapter IV · The Vessels: Commentary — The fu cauldron is made of raw iron. Its inner…

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The passage
“The fu cauldron is made of raw iron. Its inner mold is clay, so the inside is smooth and easy to scour; its outer mold is sand, so the outside is rough and endures the flame.”
Commentary
Later commentators returned to “The fu cauldron is made of raw iron. Its inner…” because it joins a practical observation to a larger claim about tea.
Their readings differ by era and concern: some look for agricultural advice, some for evidence of tea history, and some for a philosophy of living.
The value of commentary is not a single answer. It is a set of lenses for asking better questions of the text.
Reading note
Read the passage once for the image, once for the judgment, and once for the practice it implies.
Practice
- Name one thing the passage asks you to notice.
- Compare it with a tea you know.
- Keep the question open.