Certification schemes are the grammar of responsible forestry—they give structure to our good intentions.

That's exhilarating if you're doing well, and very crushing if you're not. It leads, in the worst cases -- in the analysis of a sociologist like Emil Durkheim -- it leads to increased rates of suicide. There are more suicides in developed, individualistic countries than in any other part of the world. And some of the reason for that is that people take what happens to them extremely personally -- they own their success, but they also own their failure.

淌自己的汗，吃自己的饭，自己的事情自己干；靠天、靠地、靠父母，不算是好汉。人只有靠自己的力量，才能得以生存，不依靠自己，就将无法生存。

每一本书都是一次旅程，而每一次旅程都是一本书。