生于忧患，死于安乐。
忧患使人生存发展，安逸享乐使人萎靡死亡。
You can't manage what you don't measure, and you can't improve what you don't manage.
Psychology must be grounded in the facts of living experience.
成功绝非偶然。
政策规则优于自由裁量，因为它们消除了时间不一致性问题。