—— 请按键盘 空白键 开始游戏 ——

真正的进步来自于挑战现状,拒绝满足于“足够好”。
可持续性不是一种选择;而是我们对后代的责任。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Improve yourself through reflection.
In the end, we all have to face the consequences of our actions, no matter how much we try to avoid them.