—— 请按键盘 空白键 开始游戏 ——

The past is never dead. It's not even past.
做学问的人应当以确立诚信为根本,修饰言辞为次要。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
天上永远不会掉下玫瑰来,如果想要更多的玫瑰,必须自己种植。