A: I often see some people who have formed a deep hatred after quarrels, and they will always say, "From now on, our well water will not violate the river water, and I will have nothing to do with you." Do you think the proposition that "well water does not violate river water" is true?
B: "Well water does not violate river water" is an extremely narrow mode of thinking. Suppose there is a river next to a well, and by the dry season, if the river water has dried up and the groundwater level has dropped, can the well water still be so complacent? During the rainy season, when the well water is full, it will overflow into the river and flow to the sea.
A: So, people as social animals should not close themselves off.
B: Not only for one person, but for a nation, a society, or a country, even a system, should not close itself off and block the exchange of materials, energy, and information outside the system.
