A wall is a very big weapon. It's one of the nastiest things you can hit someone with.
The holy grail is to spend less time making the picture than it takes people to look at it.
If at first you don't succeed, Call an airstrike.
Speak softly, but carry a big can of paint.
I need someone to protect me from all the measures they take in order to protect me.
Graffiti is only dangerous in the mind of three types of people; politicians, advertising executives and graffiti writers.