My heroes are the ones who survived doing it wrong, who made mistakes, but recovered from them.

I truly believe that when the history books are written, our age will be remembered for three things: the war on terror, the digital revolution, and what we did - or did not do - to put the fire out in Africa. History, like God, is watching what we do.

U2 is sort of song writing by accident really. We don't really know what we're doing and when we do, it doesn't seem to help.

As a rock star, I have two instincts, I want to have fun, and I want to change the world. I have a chance to do both.

I felt rich when I was 20 years old and my wife was paying my bills. Just being in a band, I've always felt blessed.

Sub-Saharan Africa is also home to 400 million of the world's poorest people.

I'm as skeptical as anyone would be about celebrities and causes - and I will dare to say to you that I don't think of myself as a celebrity per se.