Literature ...
"Literature adds to reality, it does not simply describe it. It enriches the necessary competencies that daily life requires and provides; and in this respect, it irrigates the deserts that our lives have already become."
- C. S. Lewis
(I snitched this quote off Justin's facebook, then went googling all over the internet for the source, which as yet remains undetermined, but I'm guessing it's from one of Lewis's essays.)