计算机科学中最强大的工具不是计算机本身，而是人类的思维。

The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.

技术发展越快，我们就越需要投资于人类智慧。

人真正的祖国是童年。