《论衡·卷二·率性篇》
古人尊重良医，是因为他能知道危重的疾病从哪儿产生，并且用银针和药物治好它。
古贵良医者，能知笃剧之病所从生起，而以针药治而已之。
The ancients respected good doctors because they could find out where a critical illness came from and cure it with silver needles and medicine.