做东西的时候，总要多备上一些——额外的材料、额外的部件、额外的空间、额外的饰面。这些额外的东西可以为错误提供备份、减轻压力，还可以为未来储备资源。它们是最便宜的保险。

林业技术已从链锯发展到卫星，但我们的责任始终如一。

The body is not a thing, it is a situation: it is our grasp on the world and our sketch of our project.

"I write to understand, to question, to explore the complexities of human nature."

What we need to do is make batteries safer, more efficient, and more environmentally friendly.