The only thing that matters is the work itself.

"The greatest glory in living lies not in never falling, but in rising every time we fall."

A people without children would face a hopeless future; a country without trees would face a future with even less hope.

幸福不是现成的东西，它来自于你自己的行动。

Know what you own, and know why you own it.

盖亚假说是一种将地球视为有生命的系统的方式，不是情感上的，而是作为一个系统。