At first glance, the word interest refers to interests and hobbies. However, Liezi. Tang asked Yun: every time the song is played, Zhong Zi is often poor in interest.  It is said that the ancients played music, and every time they played a tune, they had to reflect their inner interests. The ancients said, as long as you understand the fun of the piano, why do you have to play wonderful music on the piano? Obviously, the word interest means interest and emotion. Ambition and interest could have been interconnected. What kind of emotion, there is what kind of interest. ci Hai says that the interesting person chooses, that is, the meaning of trade-off includes it. There is also the meaning of trend and abandonment, progress and retreat. People originally lived in two worlds, one is the world of material desire, the other is the world of meaning. Interest, that is, with a people-oriented heart emotion, interest (to) a harmonious world, right?
passage?
Where does people's health interest come from?