Confucius discovered the way of Confucianism. He believed your ancestors should be worshiped. He was known in China as Kung -fu-tzu.
Yin and yang represented dark and bright. It showed one can not exist without the other. Shows two different principles negative and dark and the other positive and bright.
This symbol is called "double happiness. " it represents Confucianism. It was used to to express a lot of different things such as marriage.
Confucianism beleived ancestors should be worshiped. Young people followed the way of their ancestors.