The old man took the man surnamed Yang to a big cave. Chickens and dogs are very carefree and happy, and people get together to live. When he arrived at a family, the old man said, "This man wants to stay (with you). Can you bend the rules?" The man in the cave replied, "since you are willing to bring him to this place, he must be a talent." As long as we have clothes, food, cattle, sheep and livestock, silk yarn, linen and other things here, they are not private, they are all shared by everyone, so we can live together. " If you really want to come, please don't bring such rare things as gold, silver and jewelry. What you use (people's daily life) is rice and fish, and there is no shortage here. Only by distributing land according to population for farming or sericulture, we can't get food from others. "Yang thanked him and obeyed his arrangement. The people in the cave warned again, "If you come late, the cave will be sealed. "In the evening, come out with the old man.