The greatest crimes in the world are not committed by people breaking the rules but by people following the rules. It's people who follow orders that drop bombs and massacre villages.

Some people become cops because they want to make the world a better place. Some people become vandals because they want to make the world a better looking place.

Although you might have to creep about at night and lie to your mum it’s actually one of the more honest art forms available. There is no elitism or hype, it exhibits on the best walls a town has to offer and nobody is put off by the price of admission.

T.V. has made going to the theatre seem pointless, photography has pretty much killed painting but graffiti has remained gloriously unspoilt by progress.

If you are dirty, insignificant and unloved then rats are the ultimate role model.

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.

All artists are willing to suffer for their work. But why are so few prepared to learn to draw?