巢元方：诸病源候论·第441则

As I meet with clients and prospects, I repeatedly hear myself say, “the most important thing is x.” And then ten minutes later it’s, “the most important thing is y” (and then z, and so on). Am I being disingenuous?…

25 元帝之世，莎車王延嘗為侍子京師，慕樂中國。及王莽之亂，匈奴略有西域，唯延不肯附屬，常敕諸子：「當世奉漢家，不可負也。」延卒，子康立。康率傍國拒匈奴，擁衛故都護吏士、妻子千餘口。檄書河西，問中國動靜。竇融乃承製立康為漢莎車建功懷德王、西域大都尉，五十五國皆屬焉。

血弱氣盡，腠理開，邪氣因入，與正氣相搏，結於脅下，正邪分爭，往來寒熱，休作有時，嘿嘿不欲飲食，藏府相連，其痛必下，邪高痛下，故使嘔也，小柴胡湯主之。服柴胡湯已，渴者屬陽明，以法治之。