—— 请按键盘 空白键 开始游戏 ——

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
No matter what , just do not give up .Always believe that your dream can come true & just keep working for what you want to achieve.
保持谦逊,保持渴望。
I don’t want to be better than anybody else. I just want to be better than I was yesterday.