办事果断的人看起来好像忙碌，其实心中常有闲暇。因循苟且的人看起来闲暇，其实心中常有牵念。
最可持续的森林是当地社区既有利益又有发言权的森林。
Never stop learning because the world never stops changing.
The poverty of our century is unlike that of any other. It is not, as poverty was before, the result of natural scarcity, but of a set of priorities imposed upon the rest of the world by the rich.
The greatest danger in life is not to take the adventure.