人类的自由在其选择中被限制。
Human freedom is bounded by its choices.
We have a responsibility to future generations to leave the planet in better shape than we found it.
我们有责任为子孙后代留下一个比我们发现时更好的地球。
The truth is often hidden in the spaces between words.
写作是为我们的希望发声的一种方式。
最好的书是改变你思维方式的书。