Gaza is often described as 'the world's largest open air prison' because no-one is allowed to enter or leave. But that seems a bit unfair to prisons - they don’t have their electricity and drinking water cut off randomly almost every day.

Nobody knows what you feel inside unless you tell them.

Film is incredibly democratic and accessible, it's probably the best option if you actually want to change the world, not just re-decorate it.

Is graffiti art or vandalism? That word has a lot of negative connotations and it alienates people, so no, I don't like to use the word 'art' at all.

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

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.

Today's art has been cancelled due to police activity.