世界是一面伟大的镜子,我们是其中的倒影。
We are all walking archives of evolutionary history.
No man really knows about other human beings. The best he can do is to suppose that they are like himself.
无论你打算做什么,现在就做。条件总是不可能的。
美国政府是一个明确的政府,仅限于特定的目标。它不像州政府,其权力更为广泛。
Sustainability isn't a trend—it's a responsibility we owe to future generations.
We must learn from nature how to use resources efficiently.