《管子·乘马》
对于讲求器物样式功能，参加集市交易的手工业者，凡不是官家工匠的，也要服劳役而不分配收益。
工治容貌功能，日至于市，而不为官工者，与功而不与分焉。
Craftsmen who understand the forms and functions of different equipment, and who do business in the market, shall also serve but not share the income.