Famous saying: there is no fish in clear water, and there is no disciple when people observe it. Acts: it means the same kind or partner, and it is translated into "friend" in modern words. Understanding: If people are too smart, they will have no partners and friends, because smart people often can't tolerate other people's small mistakes or personality differences. They demand too much identity with themselves, or require everyone's behavior to meet or reach their own standards. However, people always have different personalities and ways of dealing with others. Unless you are a clone, everything will never be the same, so friction, contradiction and conflict are inevitable results. If they can't reconcile in a tolerant spirit at this time,