《史记·七十列传·滑稽列传》
黄鹄是羽毛类的东西，相似的很多，我想买一个相似的来代替，这既不诚实，又欺骗了大王。
鹄，毛物，多相类者，吾欲买而代之，是不信而欺吾王也。
The swan is a kind of feather, and there are many similar ones. I want to buy a similar one to replace it, which is not only dishonest, but also deceiving the King.