真正的勇气是直面自己的弱点，并拼尽全力改变它。

Sustainability isn't a trend, it's a necessity.

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

数学是上帝用来书写宇宙的语言。

认证不是终点，而是负责任林业的起点。

等待某件事的想法让它变得更加令人兴奋。

让你难过的事情，有一天，你一定会笑着说出来。