退陰符
退陰符
金牛斤兮火半斤，金火結成共一斤，只恐水多退不天道音寒一品盡，全憑火候滅除陰。訣曰：離火半斤，投入金水內，火畧有一斤之數，故曰金半斤，水半斤。必須入坤宫牢固，行十二候，火風不停，火符滅除半斤陰氣，只存半斤純陽爲真也。
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Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji
