There is a fish pond in front and a bamboo forest behind. One thousand tons of silver can buy ten thousand tons of grain.

This sentence comes from Water Margin, which is a folk song. This sentence emphasizes the state of sufficient material supply, affordable prices and affluent society at that time.

The Water Margin, also known as the Water Margin of Loyalty and the Legend of Loyalty and Righteousness, is a novel written by Shi Naian at the end of Yuan Dynasty and the beginning of Ming Dynasty, and it is one of the four classical novels in China.