If September 11th has taught us anything, it's certainly that the world has never been so interdependent. It is impossible now to be an island of prosperity in a sea of despair.

I have learned to interface - what I think would be the contemporary term - with various different lexicons, and people speak very different languages. I've learned to speak in a lot of tongues, and I can live with the bellicose language of some fervent, fire-breathing Christians, sure.

The human heart is greedy; it will use religion, color, or any other excuse to justify its greed. Blame the human heart.

U2 is an original species... there are colours and feelings and emotional terrain that we occupy that is ours and ours alone.

Rock stars are good at making noise.

But more than anything else, for the British folks Irish people were all terrorists. So when we went to Britain, it was always a lot of resistance to U2. And that's why we came to America.

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.