Speak softly, but carry a big can of paint.

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.

In the future, everybody will be anonymous for 15 minutes.

The bad artists imitate, the great artists steal.

Art is not like other culture because its success is not made by its audience. The public fill concert halls and cinemas every day, we read novels by the millions, and buy records by the billions. 'We the people' affect the making and quality of most of our culture, but not our art.

I don't think you should have to pay to look at graffiti. You should only pay if you want to get rid of it.

Nothing is black and white, and there is no purity and there is no such thing has justice.