No one can be free unless he is independent.
谁若不能独立,谁就谈不上自由。
The essence of mathematics lies in its freedom.
The difference between fiction and reality? Fiction has to make sense.
我们必须建设天生绿色的网络，而不仅仅是改造为绿色。
Fishermen are our foundation, their well-being is the well-being of the industry.
The interplay between topology and symmetry in materials can lead to unexpected and exciting physical phenomena.