If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.

Sometimes you have to be knocked down lower than you have ever been to stand back up taller than you ever were.

解释：处于安全环境时要考虑到可能出现的危险，考虑到危险就会有所准备，事先有了准备就可以避免祸患。

政府下的人的自由是拥有一个普遍适用的常规生活准则，而不受另一个人的多变、不确定和武断意愿的支配。

每个产品在设计时都应考虑到它的下一次生命。

"Every character is a part of the writer's soul."

生产力的提高是社会进步的动力。