It was Confucius who first put forward the idea that "a gentleman is harmonious but different".

Harmony is a beautiful piece of music composed by seven notes. It is a beautiful rainbow formed by seven different colors. It is the distant reflection of the spring scenery in the south of the Yangtze River and the scenery in the north. It is the change of the four seasons in spring, summer, autumn and winter. , is a beautiful scene of the coordinated development of man and nature.

The ideological confrontation between various schools of thought

Lian Po and Lin Xiangru

Different social divisions of labor