用心管理的森林才能长久存在。
A forest managed with care is a forest that lasts.
选择理论忽略了我们所知道的关于人类的大部分知识。
我看不到极限,我只看到可能性。
The peculiar evil of silencing the expression of an opinion is that it is robbing the human race; posterity as well as the existing generation; those who dissent from the opinion, still more than those who hold it.