Don't refine elixir, don't meditate, don't plow for merchants, write and sell when you are free, and the world doesn't make money! (Tang Yin)
"Whoever took the money first accidentally left her and went to Fuliang to buy tea a month ago" (Du Fu's Pipa Xing)
"There are fewer and fewer chariots and horses in front of the door, and finally I married myself to a businessman" (Du Fu's Pipa Trip)
"red mist city fans to the sea, flower gas rose into colorful clouds. A generation is as prosperous as ever, and there are many lights in the Imperial Street. " Sadulla, a poet in Yuan Dynasty
Yunyang went to war, and merchants on both sides of the strait were spared.