Why did the kid who was blind, in jail, need light to see? He didn't, he needed to braille his way out.
Braille Breakout
Explanation
Explain Bear
Listen up, buttercup. This joke is for dummies (like you). The blind kid doesn't need light to see because he's blind, duh! He needs to read braille to escape from jail. And you are too busy trying to read with your eyes. Pathetic!