可持续发展不是成本，而是我们一生中最大的创新机会。

生活要朴素，情操要高尚。

林业创新不是要取代自然，而是加强我们与自然的伙伴关系。

Nature hath made men so equal in the faculties of body and mind， as that though there be found one man sometimes manifestly stronger in body or of quicker mind than another， yet when all is reckoned together the difference between man and man is not so considerable as that one man can thereupon claim to himself any benefit to which another may not pretend as well as he.

To speak ill of others is a dishonest way of praising ourselves.

Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.

The Internet is not just a technology, it's a social phenomenon.

"The first draft of anything is shit."