地质学研究的真正魅力在于从已知到未知的思维锻炼。

We must challenge the hierarchies of the art world constantly.

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。

心是火焰的器官。

书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问。

人性这根曲木，决然造不出任何笔直的东西。

A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.

本当の幸せは、自分で見つけるものだ。