The truth is rarely pure and never simple.
You have to be willing to challenge the status quo if you want to make real progress.
After climbing a great hill, one only finds that there are many more hills to climb.
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.
"La memoria es el territorio donde el escritor planta sus historias, y sin memoria no hay literatura."