最可持续的森林是在保持其生态完整性的同时为人们提供价值的森林。
The only limit to our realization of tomorrow is our doubts of today.
你不必完美才能激励别人,让人们从你处理不完美的方式中获得启发。
We are all in the gutter, but some of us are looking at the stars.
世界对感受者来说是悲剧,对思考者来说是喜剧。