During the Spring and Autumn Period, when Guan Zhong of Qi assisted Duke Huan of Qi, he divided the local administrative regions and made the four people, namely, scholars, farmers, workers and merchants, live together. The area where scholars and people live together is called "scholar township". [1]
The National Language · Qi Language: "Guan Yu is the founder of the country and thinks that there are twenty-one villages; there are six villages of industry and commerce, and fifteen villages of scholars."
The Book of the Later Han Dynasty, Biography of Zheng Xuan: "In the past, when Qi set up a 'scholar village', the more there was a 'gentleman army', it meant that all men were different from men of virtue."
