世界是一个美好的地方，值得为之奋斗。
The journey of solving a mathematical problem is as important as the solution itself, for it teaches us patience, persistence, and the joy of discovery.
What is necessary to change a person is to change his awareness of himself.
Liberty is the only thing worth fighting for.
The most expensive cost in free-to-play games is players' trust—once overdrawn, it can never be bought back.