Paper has been the carrier of human knowledge for centuries. Our duty is to ensure it continues for centuries more.
几个世纪以来纸张一直是人类知识的载体，我们的责任是确保它再延续几个世纪。#
Sustainability isn't just about planting trees—it's about planting the right trees in the right places, for the right reasons.
量子力学不仅是一种理论，而且是一种新的思维方式。
Even in the grave， all is not lost.
We recognized early on that smart people do very dumb things, and we wanted to know why and who, so that we could avoid them.
故事是我们理解世界的方式，也是我们理解自己的方式。
The best way to predict the future is to create it.
The novel is the great art form of the inner life.
模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。