As hard as it is, as ghetto as it is, hip-hop is pop music. It's the sound of music getting out of the ghetto, while rock is looking for a ghetto.

The extraction of oil, coal and minerals brought, and still brings, a cost to the environment.

When a nation is over-reliant on one or two commodities like oil or precious minerals, corrupt government ministers and their dodgy associates hoard profits and taxes instead of properly allocating them to schools and hospitals.

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.

To touch is to heal, to hurt is to steal, If you want to kiss the sky, better learn how to kneel. On your knees, boy...

In general people put too much faith in the rich, the famous, the politicians, and not enough faith in themselves.

The strangest thing has happened. I really missed my dog. That's never happened to me before. You know, on a long tour you do hear people saying they miss their pets. I never have. But last night I started really missing my dog. It's very odd, 'cause I don't have a dog.