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.

异端是生活的诗歌，所以有异端思想是无伤于一个诗人。

I don't act to escape reality, I act to understand it.

I have to be alone very often. I'd be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That's how I refuel.

Some programming languages manage to absorb change, but withstand progress.