Reciprocity is the guarantee of continuous good communication with people

Richard Li Kai, a famous archaeologist, believes that the principle of reciprocity contributes a lot to human beings. "Our human society developed as it is today because our ancestors learned to share their food and skills in a web of honorary repayments," he said It is because of such a net that there will be division of labor and exchange of different commodities. Mutual exchange of services enables people to develop their own skills in a certain area and become experts and experts in this area. It also enables many interdependent individuals to combine into an efficient social unit, thus promoting the progress of society.

The principle of reciprocity is the eternal law of human society, which is the basis of all kinds of transactions and exchanges. In ancient China, reciprocity is a manifestation of the principle of reciprocity. The interaction between people is like sitting on a seesaw. It can't be fixed forever. One end is high and the other is low. That is to say, it has to alternate high and low. A person who is never willing to suffer losses, give in or benefit from others, even if he really wins and gets a lot of benefits, he must be a loser in the long run, because no one wants to play with him.

The principle of reciprocity is the guarantee of continuous good communication with people and an indispensable art. Therefore, if a person helps us once, we should also help him once; if a person gives us a birthday gift, we should also remember his birthday and buy him a gift at that time;

If a couple invited us to a party, we must remember to invite them to one of our parties