The P versus NP problem is one of the most important unsolved problems in computer science.
Life is not fair; get used to it.
The world is full of signs and wonders, but we pass them by without seeing.
未来属于那些能够平衡能源需求和环境责任的人。
The mind can assert anything and pretend it has proved it.
我是一个喜欢不寻常的人。
I find inspiration in nature and mythology.