在风格问题上，随波逐流；在原则问题上，坚如磐石。
In matters of style, swim with the current; in matters of principle, stand like a rock.
Sustainability isn't a cost—it's an investment in our future.
The most important part of teaching is to teach what it is to know.
可持续林业不仅仅是砍伐树木，更是培育文明。
你看，在生活中，很多人知道该做什么，但很少有人真正去做他们知道的事情。知道是不够的！你必须采取行动。
Sometimes, the only way to stay sane is to go a little crazy.