《管子·立政》
巡行乡里，察看房屋，观察树木、庄稼的生长，视查六畜的状况，并能按时作全面安排，做到劝勉百姓，使他们努力耕作而不偷闲，留恋家室而不轻离乡里，这是 乡师 的职责。
行乡里，视宫室，观树艺，简六畜，以时钧修焉。劝勉百姓，使力作毋偷。怀乐家室，重去乡里，乡师之事也。
To patrol villages and townships, inspect houses, observe the growth of trees and crops, oversee the condition of livestock, make comprehensive and timely arrangements, encourage the people to work hard and not be idle, and encourage them to love their families and not casually leave their villages and townships.  This is the responsibility of the Xiang Shi.