所有老人共同的大秘密是，你在七八十年里其实并没有改变。你的身体变了，但你一点都没变。当然，这会造成很大的困惑。
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.
Innovation is the ability to see change as an opportunity, not a threat.
光波，无论是以太波还是其他波，在所有情况下都是时间上的周期性过程。
预防性医疗的悖论：越需要的人越不重视。
The greatest happiness for the laborer consists in having an abundant supply of the necessaries of life.
Diversity in thought and experience drives better business outcomes.