煤炭的真实成本必须既考虑其即时价值，也考虑其对社区和生态系统的长期影响。

I just want people to see me for who I am

"Books are a way to explore the world, to understand different perspectives, and to develop empathy."

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

You can't control what you don't measure.

Great things in business are never done by one person; they're done by a team of people.