—— 请按键盘 空白键 开始游戏 ——

True progress in farming means leaving the land better than we found it.
我不是为了快乐而写作,我是为了自由而写作。
我对生命变成死亡的那条界限感兴趣。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.