桥梁不仅是一种结构，也是人类进步的象征。

The most valuable resource we extract isn't minerals—it's human potential.

In truth, the foundation of education in general is the education of the poor.

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

技术应该为生态服务，而不是相反。

最终，我们都是故事。重要的是我们如何讲述它们。