"One of the reason's for U2's longevity is that they are not in music for entirely selfish reasons. I don't want to make them appear as evangelists, which, of course, they were seen as by some sections of the music media in the early 80s, but I do believe that they really think what they do serves some greater purpose than simply filling their bank accounts."
- Brian Eno, 2009
"All Along the Watchtower" was recorded in Justin Herman Plaza in San Francisco in front of what many consider to be the ugliest sculpture in the city. Bono's spraypainted words required a formal apology from the band and were removed within days.