共同基金的主要作用是为投资者服务。
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.
理论物理学是唯一一个你可以通过犯错来谋生的科学。
奖赏不正确，没有鼓励作用；施刑不正确，也起不到惩戒作用。
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.