—— 请按键盘 空白键 开始游戏 ——

客人来了,主人不去招呼,他可能是个不知事理的傻子。
When a thing is funny, search it for a hidden truth.
I don’t need anyone’s permission to be myself.
Mathematics is not just about numbers—it's about patterns, structures, and relationships.
The true power of mathematics lies in its ability to reveal hidden patterns and structures in the chaos of the universe.