《战国策·魏一·魏文侯与田子方饮酒而》
现在您对音乐辨别得很清楚，臣下唯恐您在治官方面有些聋。 魏文侯说： 对，敬听您的教诲。 
今君审于声，臣恐君之聋于官也。 文侯曰： 善，敬闻命。 
Now that Your Highness is such an expert on sounds, your subject fears that you might be hard of hearing when it comes to governing. Wei Wenhou said: Yes, I will respectfully listen to your teachings.