—— 请按键盘 空白键 开始游戏 ——

The struggle itself towards the heights is enough to fill a man's heart. One must imagine Sisyphus happy.
To be disconnected from the land is to be disconnected from ourselves.
在数学研究中,坚持是关键;许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。
不要因为累了就停下来,完成了再停下来。