《贞观政要·卷五·论公平》
就好像如果不使用船和浆，怎么能够渡过大江大河？如果不依赖你们做的盐和梅，我怎能调出五味？
不藉盐梅，安得调夫五味？
It is just like if you do not use a boat or an oar, how could you cross a great river? If I did not rely on the salt and plums you make, how could I mix five flavours?