—— 请按键盘 空白键 开始游戏 ——

毫无疑问,通过将以自我为中心的生活换成无私的生活,我们获得了强烈的自尊。无私的人,即便是那些最谦卑的,他们的虚荣都是无边的。
There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.
Good econometrics is like good carpentry—it's all about using the right tool for the job.
成功不是终点,失败也并非致命,重要的是继续前进的勇气。