《太平广记·卷二百七十七·梦二》
一日，他因编纂史籍太累而睡着了。梦中有一个人说： 我是你的心神呵，你把我役使得太苦，我不得不走了！ 
修史。夜梦一人曰：我心神也。君役我太苦，辞去。
One day, he fell asleep from being too exhausted from compiling historical books. In his dream, someone said: I am your mind, you have overworked me, and I must leave now!