It's too easy. The universe is only infinite and empty.
At first, it was invisible and weightless, just a congenital state of the universe, more primitive than chaos.
Primitive, tangible and intangible, non-sensory, the primitive state of the universe before the beginning of the world.
Tai Su, the cosmic state of primitive matter.
Taiji, the cosmic state of yin-yang differential.
Also known as the five robberies (Yuan Zu Robbery), they are, Chi Ming,, and Yan Kang respectively. It is the five robbery names of things that are not divided, divided and metaplastic by Taoism, and it is also the five stages of the emergence and evolution of all things in the universe, also known as the five ancestors robbery. "Double New Year Notes" Lao Shishu said: "Heaven and earth rob five. East screwdriver, name, is the beginning of robbery. The south started in the shade, saying it was red and bright, and it was robbery. The central government began with Mao, saying it was an emperor, and the north began with noon, saying it was a robbery. The west started from the end of the country and it was a bad robbery. "