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.
I can't understand why people are frightened of new ideas. I'm frightened of the old ones.
幸せとは、小さなことを大切にすることだ。
The only way you can write the truth is to assume that what you set down will never be read.