—— 请按键盘 空白键 开始游戏 ——

Every challenge is an opportunity in disguise.
你越是试图忘记,越是记得清楚。
独裁统治滋生糟糕的文学,因为它们滋生恐惧和顺从。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.