实现明天理想的唯一障碍是今天的疑虑。

The best way to predict the future is to study the past.

We have a responsibility to future generations to leave the planet in better shape than we found it.

对这个世界有所助益是获得快乐的唯一途径。

作家是一个总是试图为他的故事找到正确的节奏、正确的语调、正确的声音的人。