The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
理解的提高有两个目标：首先，我们自己的知识增长；其次，使我们能够将这些知识传递给他人。
身份是脆弱的东西，容易丢失，难以重获。
你读得越多，知道的事情就越多。你学得越多，去的地方就越多。
"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."
Reason is the sovereign of all.