Facts, like people, want to be free - and when they're free, liberty is usually around the corner.

Africa is a continent in flames. And deep down, if we really accepted that Africans were equal to us, we would all do more to put the fire out. We're standing around with watering cans, when what we really need is the fire brigade.

It's a privilege to serve the poor, to be servants of noble Africans, but I better belong in the rehearsal room or in the studio with my band. That's where I want to be and I still wake up in the morning with melodies in my head.

Every age has its massive moral blind spots. We might not see them, but our children will.

Hanging out with politicians and corporations is very unhip work. But I think that the U2 audience have turned out to be incredibly subtle in their understanding.

Technology is huge; I wanted to learn about it. People might say that's odd, but I think it's odd if artists aren't interested in the world around them. I'm always chasing that.

The less you know, the more you believe.