我们无法改变过去，但我们可以改变对过去的看法。
中层管理者是企业变革的无名英雄。
"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."
If you find serenity and happiness，they may be jealous；Be happy anyway。People really need help but may attack you if you do help them。
People demand freedom of speech as a compensation for the freedom of thought which they seldom use.