《水经注·卷四十》
桑树说：那里有个诸葛元逊，他知识渊博，一定要使你遇上灾难，假使他使用像我这样的东西，你将怎么办？
树曰：诸葛元逊识性渊长，必致相困。令求如我之徒，计将安治？
The mulberry tree said: There is a man named Zhuge Yuansun, he is very knowledgeable, and he will definitely make you suffer, if he uses something like me, what will you do?