The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.
最可持续的森林是既能满足人类需求又能屹立不倒的森林。
我从很早以前就决定，要无条件地接受人生。我从来不期待生活给与我任何特别的东西，但我所成就的似乎总比我原来希望的多得多。大多数时候我并没有去寻求，它自己就来到了我身边。
Sustainable development is not a slogan but a concept that must be practiced. We must keep the land forever vibrant.