—— 请按键盘 空白键 开始游戏 ——

Nature never deceives us; it is always we who deceive ourselves.
大自然从不欺骗我们;欺骗我们的总是我们自己。
Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
The history of men is the history of their crimes.