张仲景：伤寒论·第328则

見日亦澀其碎者，割訖，即地中尋手糾之。侍萎而亂者必爛又種冬葵法：近州郡都邑有市之處，負郭良田三十畝。九月收菜後，即耕至十月半，令得三遍。每耕即勞，以鐵齒耙耬去陳根，使地極熟，令如麻地。於中逐長穿井十口。「《井》必相當」，邪角則妨地。地形狹長者，井必作一行，地形正方者，作兩三行，亦不嫌也。「井」，別作「桔槔」、轆轤。井深用轆轤，井淺用桔槔。柳鑵，令受一石。鑵小用則功費「十月末，地將凍漫散子」，唯《穊》為住。畝用子六升散訖。即勞有雪。勿令…

三月，丁亥，徙杞王上金為畢王，鄱陽王素節為葛王。

No one will deny that if prices are sufficiently low, buyers will always be found, no matter what are supposed to be the business conditions. That is one of the elemental facts of business. Sometimes raw materials…