"Graffiti is one of the few tools you have if you have almost nothing. And even if you don't come up with a picture to cure world poverty, you can make someone smile while they're having a piss."

"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."

"The people who truly deface our neighborhoods are the companies that scrawl giant slogans across buildings and buses trying to make us feel inadequate unless we buy their stuff."

"I'm a big fan of irony. I think it's a very powerful tool."

"I mean, they say you can't be a proper graffiti artist until you've been arrested. I've heard that. I've never been arrested."