—— 请按键盘 空白键 开始游戏 ——

The greatest performance improvement of all is when a system goes from not working to working.
The most important thing is to stay true to yourself.
The deepest problems in mathematics often arise from the simplest questions.
The only thing that can save the world is the awakening of humanity.
我的人生没有退路,只有前进。
Program testing can be used to show the presence of bugs, but never to show their absence!