人生如逆旅,我亦是行人。
人生就像一场逆行的旅程,我也是其中的一个过客。
The greatest wisdom is to know that you know nothing.
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.