All this shows that just as "myriad rivers, though flowing from different sources, all return to the sea," people working in different occupations all share a common goal of improving society and living better lives.
6. 這一切都說明，「百川異源，而皆歸於海」。就像所有的江河，最後都要流入大海一樣，各人的工作不同，但也都是為了求得更好的社會，過更好的生活。