—— 请按键盘 空白键 开始游戏 ——

只有热爱自由的人才能拥有自由,其余都是奴隶。
Never underestimate the power of persistence. Most people give up too soon.
农业的效率不仅仅是产量的问题;它关乎资源管理。
The most exciting moments in mathematics are when you discover something that was hidden in plain sight.
我不必完美,我只需要做我自己。