唯一真正的旅行不是去新的风景，而是拥有新的眼光。
The only true voyage is not to go to new landscapes, but to have new eyes.
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly. A programmer is ideally an essayist who works with traditional aesthetic and literary forms as well as mathematical concepts, to communicate the way that an algorithm works and to convince a reader that the results will be correct.