《商君书·垦令》
百姓就不认为君主不对，心中也不恨官吏，那么壮年农民就会尽力从事农业生产不改做其它行业。
下不非上，中不苦官，则壮民疾农不变。
People would not think that the monarchs were wrong, and in their hearts they would not hate the officials. Then adult farmers would do their best to work in agriculture and not change to other industries.