"It's about the experience of looking rather than touching. I think my favourite image is the image of glass, where he melts the sand so he can see the world outside." - Bono on "Lemon"
did you know
The original working title of "Exit" was "Executioner's Song" because U2 was using a lot of literature as their jumping off point for the songs in terms of just taking their work in a slightly different direction.