The document discusses how keeping money as cash does not help the economy, using an analogy of a barren land surrounded by houses. A wise man tells the townspeople to water the barren land daily. Over time, as they do this, plants and trees grow, producing fruits and vegetables for the townspeople to consume and sell. The wise man explains that just as regularly watering the land transformed it, regular investments in the economy provide funds to create wealth. He convinces the residents to invest their savings in stocks, mutual funds and bonds rather than keeping cash, in order to create wealth for themselves and the nation.