《太平广记·卷九十二·异僧六》
睿宗当年驻守藩镇时，有一次在人群中走路，万回则在拥挤的街道上高声喊道： 天子来了！
又睿宗在藩邸时，或游行人间，万回于聚落街衢中高声曰： 天子来。 
When Emperor Ruizong was stationed in the feudal town, he once walked in the crowd. Wan Hui shouted loudly in the crowded street: “The emperor is here!”