森林是一位老师，只要我们愿意学习。
The forest is a teacher—if we are willing to learn.
It always seems impossible until it's done.
最大的风险是世界在变化时我们停滞不前。
The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.