我们是共同的历史，共同的书。我们在品味或经验上不是被拥有或一夫一妻的。
We are communal histories, communal books. We are not owned or monogamous in our taste or experience.
这就是学习的意义。你突然以一种新的方式理解了你一生都理解的东西。
The true measure of a mining company isn't its stock price, but its stewardship.
安全不仅仅是一种协议；它是我们必须每天建立的文化。
The constant pursuit of wisdom is the highest goal of life.
