"The final mark of greatness, I think, is emptiness. That is true of music, painting, of anything. The less you can do it with, the more powerful you are."
did you know
The Popmart stage design, which looked like a supermarket, appealed to Bono as a supermarket, with its myriad choices and temptations, could function as a metaphor for U2's songs, as they often deal with the struggle between desire and faith.