Therefore, "Yu" in the six arts does not need to participate in driving a carriage.
"Shooting" has gradually become a military patent.
"Number", as a scholar-bureaucrat, was slowly handed over to relevant personnel only as technology. There are many ancient literati and poets in China, but few people specialize in mathematics.
Only ceremony, music and books have become the most important things for literati. From another point of view, this is the development of productive forces, which leads to the emergence of social division of labor. It is formed that these people can't participate in these skills or labor, but need specialized personnel to do these things.