《淮南子·人间训》
如果上万个人来调整乐钟，就不可能合音律，假若有懂行的专家，只需一个人调整就够了。
今万人调钟，不能比之律；诚得知者，一人而足矣。
If ten thousand people get involved in tuning the bells, they will never be in the right pitch; but if an expert gets involved, one person is enough.