Einstein signed the Russell-Einstein Declaration for the last time the day before his death. As a cosmopolitan with prophetic insight into the mysteries of nature and human nature, Ai's last words to all mankind, including the people of China, are:

Those who know the most are also most worried.

The world is full of conflicts, and what dwarfs all the smaller conflicts is the great struggle between * * * and anti-* * productism.

As human beings, we should appeal to human beings: remember your humanity and forget the rest. If you can do this, the road to a new paradise will be displayed before you; If you can't do this, then the danger of the death of the universe is in front of you.