A dream is a place where a wish and a fear meet. When the wish and the fear are exactly equally balanced, you call the dream a nightmare.

The quality of an organization's customer service determines the quality of its customer loyalty.

Don't be afraid to make mistakes. If you're not making mistakes, you're not trying hard enough.

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.