If we want to protect forests, we must first understand them.
如果我们想保护森林，就必须先了解它们。
一个民族的真正历史写在官方历史的边缘。
我不是在装酷，我只是在做自己。
关于我们所有人的基本事实是，我们会活一段时间，但不久就会死去。
获得智慧是一种道德责任，它不仅仅是为了让你们的生活变得更加美好。有一个相关的道理非常重要，那就是你们必须坚持终身学习。如果不终身学习，你们将不会取得很高的成就。光靠已有的知识，你们在生活中走不了多远。
Wisdom acquisition is a moral duty. It’s not something you do just to advance in life. And there’s a corollary to that proposition which is very important. It means that you’re hooked for lifetime learning, and without lifetime learning you people are not going to do very well. You are not going to get very far in life based on what you already know.