"Language is a tool, and like any tool, it can be used for good or for ill."

The most necessary, the most important, the principal, the most essential thing for a musician is this: to know what he wants, what he can do, and what he ought to do.

自由不是恩赐，而是必须争取的权利。

"A writer's duty is to question, to challenge, and to illuminate the complexities of life."

The most important property of a program is whether it accomplishes the intention of its user.

在数学中，没有捷径可走。

创新不是关于一个伟大的想法，而是关于成千上万个小想法。