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.

All graffiti is low-level dissent, but stencils have an extra history. They've been used to start revolutions and to stop wars

It doesn't take much to be a successful artist-all you need to do is dedicate your entire life to it.

The thing I hate the most about advertising is that it attracts all the bright, creative and ambitious young people, leaving us mainly with the slow and self-obsessed to become our artists.. Modern art is a disaster area. Never in the field of human history has so much been used by so many to say so little.

When you go to an art gallery you are simply a tourist looking at the trophy cabinet of a few millionaires.

There's nothing more dangerous than someone who wants to make the world a better place.

The difference between freedom and slavery is one thin line