《黄帝内经·素问·通评虚实论》
岐伯说：脉象实大者，病虽长久，可以治愈；脉象悬小而坚，久病者则不可治。
岐伯曰：脉实大，病久可治；脉悬小坚，病久不可治。
Qi Bo replied, "In the full great pulse, the disease will be cured even though it be of long standing. In the floating, small, wiry pulse, if the disease be long standing, it cannot be cured."