采矿业有责任为后代留下积极的遗产。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

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.