"The writer is a man who is always searching for the right word, the perfect word, the word that will make the reader see what he sees, feel what he feels, understand what he understands."

We must think beyond today’s technology to meet tomorrow’s energy demands.

It is not enough to observe and experiment, theorize and calculate. One must also imagine.

Every tree tells a story; our job is to make sure it's a story of renewal, not destruction.

历史不仅仅是关于过去；它是关于理解现在和塑造未来。

不要担心自己如何开始或是在哪里开始。只要你继续前行，你就会比你开始时更加成功。

The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.