A problem well put is half solved.
一个被正确提出的问题等同于已经解决了一半。
The Lisp language is designed to be extensible, and it is easy to add new features to it.
真正的艺术家通过揭示神秘真相来帮助世界。
生活是一系列的时刻,我们有责任充分利用每一个时刻。