我们不是从祖先那里继承地球；我们是从子孙那里借来的。这一原则指导着我们迈出的每一步。

科学的进步在于每一步发现一种新的秩序，这种秩序将看似不同的事物统一起来。

设计系统最难的部分是决定构建什么。

What do we call visible light? We call it color. But the colors are only the names we give to the way light behaves when it hits something.

Sustainable development requires not only vision but also concrete actions.

I’m stronger than I thought I was.

So that morning in 1962 I told myself: Let everyone else call your idea crazy . . . just keep going. Don’t stop. Don’t even think about stopping until you get there, and don’t give much thought to where “there” is. Whatever comes, just don’t stop.

简单比复杂更难：你必须努力工作，才能让你的思维变得清晰，以便使事情变得简单。