Natural gas is a bridge to a cleaner energy future, but we must cross that bridge responsibly.

It is indeed an opinion strangely prevailing amongst men， that houses， mountains， rivers， and in a word all sensible objects， have an existence， natural or real， distinct from their being perceived by the understanding.

Sustainable practices aren't just good for the planet; they're good for business in the long run.

我想建立一些属于自己的东西，一些我可以指着说，这是我做的。这是我看到的唯一让生活有意义的方式。

语言是存在的家。

在数学中，提出问题的艺术必须比解决问题更有价值。