The universe has a history of tens of billions of years, the earth has a history of 4.6 Billion years, and human history began nearly three million years ago. What we are most proud of is that the history that can be called civilization is only 10,000 years. So, what exactly are we facing in the vast universe?
Some notes: This article contains some pornographic descriptions and some abusers. If you feel uncomfortable, please exit immediately.
Intention: the meaning of human existence