《战国策·秦四·顷襄王二十年》
《诗经》中又说： 别人有害我之心，我应时刻提防，再狡猾的兔子，也躲不过猎犬的追捕。 
跃跃毚兔，遇犬获之。 今王中道而信韩、魏之善王也，此正吴信越也。
The Book of Songs also says: If others intend to harm me, I should always be on my guard. No matter how cunning the rabbit is, it cannot escape the pursuit of the hound.