Beauty, fundamentally, is a consensus. Whatever it is, whether it's the whole or the part. Fast is also an important component of culture, the embodiment of civilization.
In the long history of beauty, symmetry and inheritance are easy to identify with and easy to accept. The innovative part often doesn't become the majority. This is basically true both from the beauty of architecture and the beauty of clothing. The golden section point in the west, the square circle in the east, the design of the circle; the cross basic type of Christian culture extends to the Chinese mountain symmetrical form. All have been tested by thousands of years of history.
The appreciation of oneself is also the pursuit of a basic symmetrical beauty. Beauty to the eyes, of course, bright big eyes. Emphasis is placed on both function and externality. It doesn't matter.
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For this is determined by man's own structure and the necessary conditions for survival. One of the conditions of one's own existence is the need to distinguish the orientation: left and right, such as up and down.
This is the basis for communicating with people other than yourself and reaching consensus.
Look at the debate over "squinting.". There are probably two kinds of people: either bad or ignorant. If you are not willing to take sides, you will gain more insight.
![Jin Canrong: Russia and the United States, who is bluffing?[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)