"It's not easy for me to stand up in front of 50.000 people. It's not my natural habitat. I think it's probably easy for Bono. But I can do it. And I will do it if I know the songs are great."
- Adam Clayton, 2009
did you know
The lyric "3:33 when the numbers fell off the clock face" from Unknown Caller is a reference to the Bible verse Jeremiah 33:3. Bono refers to it as "God's phone number".