—— 请按键盘 空白键 开始游戏 ——

The beauty of mathematics lies in its ability to describe the world in a precise and elegant way.
I believe that if you put in the work, the results will come.
The world is full of obvious things which nobody by any chance ever observes.
出自汉·桓宽《盐铁论·刺赋》。释义:冰和炭不能放在同一个容器之中,太阳和月亮也不会同时照耀大地。比喻君子与小人不能同处,或比喻相互矛盾的理论不能同时运用。