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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.

It is a common experience that a problem difficult at night is resolved in the morning after the committee of sleep has worked on it.

信仰是生命的意義，這種感覺使人不毀滅自己，而是繼續活下去。