You live in the city and all the time there are signs telling you what to do and billboards trying to sell you something.

People are fond of using military terms to describe what they do. We call it bombing when we go out painting, when of course it's more like entertaining the troops in a neutral zone, during peacetime in a country without an army.

I'd been painting rats for three years before someone said 'that's clever it's an anagram of art' and I had to pretend I'd known that all along.

Graffiti is one of the few tools you have if you have almost nothing.

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

You don't need planning permission to build castles in the sky

Become good at cheating and you never need to become good at anything else.