—— 请按键盘 空白键 开始游戏 ——

每个数学问题都有解决方案,但并非每个解决方案都显而易见。
"Freedom is the right to tell people what they do not want to hear."
The only limit is the one you set yourself.
梦想远大,从小事做起,但最重要的是开始行动。
In the realm of mathematics, every problem is an opportunity to discover something new and profound.