There was once a fabric store in Hangzhou. By the time the owner reached 50 years of age, he had had been running the store for several decades. Unfortunately, his greed did not decrease with age.One year, there was a fire in the neighborhood and it affected the fabric store. There was a destitute household of three people living behind the fabric store. They made their living by doing laundry for other people. The only way in and out of their house was the side door of the fabric store.