计算复杂性理论的发展向我们展示了并非所有问题都是平等的。
The paper industry has a responsibility to lead the way in environmental stewardship.
文学是让不可见的东西变得可见的艺术。
政府下的人的自由是拥有一个普遍适用的常规生活准则，而不受另一个人的多变、不确定和武断意愿的支配。
The greatest thing you'll ever learn is just to love and be loved in return.
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.
Science has not yet taught us if madness is or is not the sublimity of the intelligence.