People seem to think if they dress like a revolutionary they don`t actually have to behave like one.

I just wanna make the world a better-looking place. If you don't like it, you can paint over it!

I have a theory that you can make any sentence seem profound by writing the name of a dead philosopher at the end of it.

The thing I hate the most about advertising is that it attracts all the bright, creative and ambitious young people, leaving us mainly with the slow and self-obsessed to become our artists.. Modern art is a disaster area. Never in the field of human history has so much been used by so many to say so little.

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.

People who enjoy waving flags don't deserve to have one.

A wall is a very big weapon. It's one of the nastiest things you can hit someone with.