Keep your face always toward the sunshine—and shadows will fall behind you.

电流体并非由仪器创造，而是由仪器收集。

价值链是通过其创造并将产品或服务交付给客户的一系列活动。

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.

自由是人类参与自身发展的能力，是我们塑造自我的能力。

"The more you try to control the lie, the more it controls you."