《明史·列传·卷一百九十五》
他窥探到皇上好长生，而与他同年中进士的严嵩正掌国政，于是他厚贿严嵩，自称能将童男女的尿液炼成秋石，吃了它可以延年。
瞷世宗好长生，而同年生严嵩方柄国，乃厚贿嵩，自言能炼童男女溲为秋石，服之延年。
He discovered that the emperor was good at immortality, and Yan Song, who passed the imperial examination in the same year as him, was in charge of state affairs, so he generously bribed Yan Song, claiming that he could refine the urine of male and female children into autumn stone, which could prolong life if eaten.