如果天不改变，道也不会改变。

有时你必须先投降才能获胜。

I’ve learned that growth means not being afraid to try new things.

没有人值得你流泪，值得让你这么做的人不会让你哭泣。

Coal companies must fulfill their social responsibilities while pursuing economic benefits.

计算复杂性研究是通过数理逻辑和算法理论领域的旅程。