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

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

My lawyer's opinion is that the cops might not actually be able to charge me with criminal damage any more - because theoretically my graffiti actually increases the value of property rather than decreasing it. That's his theory, but then my lawyer also believes wearing novelty cartoon ties is a good look.

I’ve learnt from experience that a painting isn’t finished when you put down your brush – that’s when it starts. The public reaction is what supplies meaning and value. Art comes alive in the arguments you have about it.

Nobody knows what you feel inside unless you tell them.

All I know about what people think of my gear is what a couple of my friends tell me, and one of them always wants to borrow money, so I'm not sure how reliable he is.

If you feel dirty, insignificant or unloved, then rats are a good role model. They exist without permission, they have no respect for the hierarchy of society, and they have sex 50 times a day.