It's impossible to predict which paintings will last and which won't. In New Orleans I painted on a dilapidated shop in a street littered with abandoned cars and rotting mattresses, then two hours later the piece was gone. It turned out I'd picked the side of a crack house and the proprietor didn't like the attention.

The art world is the biggest joke going. It's a rest home for the overprivileged, the pretentious, and the weak. And modern art is a disgrace - never have so many people used so much stuff and taken so long to say so little.

But there's no way round it-commercial success is a mark of failure for a graffiti artist. We're not supposed to be embraced in that way. When you look at how society rewards so many of the wrong people, it's hard not to view financial reimbursement as a badge of self-serving mediocrity.

I originally set out to try and save the world, but now I'm not sure I like it enough.

Think outside the box, collapse the box, and take a f**king sharp knife to it.

There are four basic human needs; food, sleep, sex and revenge.

At this time of year it's easy to forget the true meaning of Christianity - the lies, the corruption, the abuse.