This post is an excerpt from my forthcoming book, Humming with Elephants," a translation with commentaries and discussion of the "Great Treatise on the Resonant Manifestations of Yin and Yang (Su Wen 5). My translation of the passage is followed by a brief discussion and translations of relevant commentaries and quotations. Warning: This is a pretty technical passage.
Source text from the end of Suwen 5:
As such, practitioners who are skilled at using needles [observe the following guidelines:] from the Yīn guide the Yáng, from the Yáng guide the Yīn; by the right treat the left, by the left treat the right; from their own [experience] know the other; and from the exterior know the interior. By [thus] contemplating the underlying pattern of excesses and insufficiencies [in the patient’s body], they see the subtle [signs] and obtain [control over] what is in excess. Their use [of needles] does not carry any risk!Read More