科学不仅仅是发现新事物，还包括提高世界各地人们的生活质量。
Science is not just about discovering new things, but also about improving the quality of life for people around the world.
The Lisp language is designed to be extensible, and it is easy to add new features to it.
我们生活在一个影子的世界里，我们自己也是影子。
The noblest pleasure is the joy of understanding.