You can win the rat race but you're still a rat.

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.

Sometimes I feel so sick at the state of the world I can't even finish my second apple pie.

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

I wanted to highlight the destruction in Gaza by posting photos on my website - but on the internet, people only look at pictures of kittens.

At this time of year it's easy to forget the true meaning of Christianity - the lies, the corruption, the abuse.

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.