I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.

Collaboration is the root system of progress in sustainable forestry.

我不断地看到有些人在生活中越过越好，他们不是最聪明的，甚至不是最勤奋的，但他们是学习机器，他们每天夜里睡觉时都比那天早晨聪明一点点。

有时候我开始说一句话，甚至不知道会说到哪里。我只是希望能在过程中找到答案。