Imagine a city where graffiti wasn't illegal, a city where everybody could draw whatever they liked. Where every street was awash with a million colours and little phrases. Where standing at a bus stop was never boring. A city that felt like a party where everyone was invited, not just the estate agents and barons of big business. Imagine a city like that and stop leaning against the wall - it's wet.

Not everyone will understand your journey. That's okay. You're here to live your life, not to make everyone understand.

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.

Should #‎ graffiti be judged on the same level as modern art? Of course not: It's way more important than that

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

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.

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.