最好的领导者是那些能够授权他人领导的人。

城市的穷人就像树的根：看不见，但对生存至关重要。

Don't watch the clock; do what it does. Keep going.

Certification is not the destination; it's the starting point of responsible forestry.

好的市场设计能让个人激励与社会效率保持一致。