When he looked into her dark eyes, and saw that her lips were poised between a laugh and silence, he learned the most important part of the language that all the world spoke—the language that everyone on earth was capable of understanding in their heart. It was love.

Quality should never be compromised for the sake of speed.

忠于自己，但永远保持学习的心态。

P与NP问题是计算机科学中最重要的一个问题之一。

解释：人不博览群书，不了解古今，不能识别世间事物，不知道是与非，就像盲人看不到颜色 、聋人听不到声音、鼻塞的人闻不到花香一样啊。