《黄帝内经·素问·灵兰秘典论》
肾，是作强之官，它能够使人发挥强力而产生各种技巧。三焦，是决渎之官，它能够通行水道。
三焦者，决渎之官，水道出焉。
The kidney, officer of strength, enables a person to exert strength and produce various techniques. The triple burner, officer of the waterways, enables the flow of waterways.