If you want to change the world, start by changing the way you think.

The steel industry must adapt to the needs of the future.

一个人的最终衡量标准不是他在舒适和便利时站在哪里，而是他在挑战和争议时站在哪里。

It’s not what we do once in a while that shapes our lives, but what we do consistently.

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.