—— 请按键盘 空白键 开始游戏 ——

A sense of responsibility is the mark of a noble character.
The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.
In mathematics, there are no shortcuts.
"The best leaders are those who can inspire action."
客人来了,主人不去招呼,他可能是个不知事理的傻子。