"The greatest art is the art that makes you think. And if it makes you laugh, even better."

"I paint what I want to paint. And if people don't like it, they can paint over it."

"I've never been to art school. I just draw on walls."

"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."

"The world is full of people who want to tell you what to do. But I'm not one of them."