记忆不是一个固定的实体，而是一个受上下文和经验影响的重建过程。

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

Sustainability is not an option; it's a necessity for the future of our planet.

我们都是时间旅行者，以每小时60分钟的速度移动。