The best time to plant a tree was 20 years ago. The second-best time is now.
种一棵树最好的时间是20年前，第二好的时间是现在。
The mind can be considered as a physical symbol system.
我将为社会创造价值，而不是提取它。
"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized."
