If you want someone to be ignored then build a life-size bronze statue of them and stick it in the middle of town. It doesn't matter how great you were, it'll always take an unfunny drunk with climbing skills to make people notice you.

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

I wouldnt want to be remembered as the guy who contaminated a perfectly legitimate form of protest art with money and celebrities.

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

It's impossible to predict which paintings will last and which won't. In New Orleans I painted on a dilapidated shop in a street littered with abandoned cars and rotting mattresses, then two hours later the piece was gone. It turned out I'd picked the side of a crack house and the proprietor didn't like the attention.

Bus stops are far more interesting and useful places to have art than in museums.

The difference between freedom and slavery is one thin line