《黄帝内经·素问·六元正纪大论》
岐伯说：如果主气不足而有假借之气致病时，就不必要遵守 用寒远寒，用热远热 等禁忌法则了。
岐伯曰：有假其气则无禁也。
Qi Bo said, "When the master qi is insufficient and there is a borrowed qi causing the disease, we do not have to obey the taboo law of using cold to dispel cold and using heat to dispel heat."