《水经注·卷十九》
东方朔以秦建阿房宫而天下大乱的历史教训来进谏，陈述了按泰阶六符观察天象预卜吉凶变化的道理，皇上于是封他为大中大夫、给事中，赏赐黄金百斤。
东方朔谏，秦起阿房而天下乱，因陈泰阶六符之事。上乃拜大中大夫、给事中，赐黄金百斤。
Dongfang Shuo advised him by using the historical lesson when the Qin state built the Afang Palace, which caused chaos in the world. He stated the principles of observing celestial phenomena according to the six amulets of the Thai Dynasty to predict changes for good or ill. The emperor thus named him Grand Master in the Palace and bestowed on him 100 catties of gold.