Bus stops are far more interesting and useful places to have art than in museums.

Writing graffiti is about the most honest way you can be an artist. It takes no money to do it, you don't need an education to understand it, and there's no admission fee.

Film is incredibly democratic and accessible, it's probably the best option if you actually want to change the world, not just re-decorate it.

Gaza is often described as 'the world's largest open air prison' because no-one is allowed to enter or leave. But that seems a bit unfair to prisons - they don’t have their electricity and drinking water cut off randomly almost every day.

This is a big surprise I don't agree with the concept of award ceremonies, but I'm prepared to make an exception for the ones I'm nominated for. The last time there was a naked man covered in gold paint in my house, it was me.

Some people represent authority without ever possessing any of their own.

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.