悟真篇
其十八

其十八

其十八

月纔天際半輪明,早有龍吟虎嘯聲;便好用工修二八,一時辰内管丹成。月之半輪者,一八之數。龍虎兩弦之氣合之方爲二八。外丹採藥,以火煉金,金氣旣足,潭底日紅,山頭月白,其藥迸出,如龍吟虎嘯之聲,一時辰内可以得藥。卽内丹以神馭氣,黄庭呼吸,上下往來,一旦猛烹極煉,亦可得藥於一時,然未必丹之成也。或以攢年於月,攢月於日,攅日於時爲一時,丹成,又非仙翁易成之意。惟採彼先天眞一之母氣,以伏子氣,一年止在一日,一日止在二時,一時止在候,立得金丹服餌。其餘四候,別有妙用,方合此章。這箇時是甚麼時?今年初盡處,明日未來時,他家活子時也。金丹之道,至簡至易,片餉之頃,立躋聖位,恐當有敎外別傳,未易妄度。

End of chapter

Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji

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