宋代人宋濂在其所著的《寓言》中,讲了一个“服田以猪”,即用猪来耕地的故事,说的是有个名叫商於子的人,因家里很穷,买不起牛来耕地,于是找了一头大肥猪来代劳。不料,那猪套上犁杖才向前一走,便“不肯就轭”,等再给它套上, In Song Dynasty’s Song of Fables, Song Yong spoke of a story of “taking a field to a pig”, that is, using pigs to cultivate land. He said that there is a man named Yu Yi Zi who is poor at home and buys Can not afford to cattle to farm, so I found a big fat pig to do the job. Unexpectedly, the pig was put on the stick before moving away, then “refused to yoke,” and then put it on,