Geography is the science of the earth as the home of human beings.
地理学是研究地球作为人类家园的科学。
The most powerful way to change someone is to change the way you interact with them.
We must not always talk in the market-place of what happens to us in the forest.
最重要的是为正确的内容找到正确的形式。
Technology in forestry should serve sustainability, not just efficiency.
我不需要任何人的认可来知道自己的价值。
The progress of science consists in the expansion of the field of experience.
历史的进程是自由的缓慢行进。