On the iPhone I tended to draw with my thumb. Whereas the moment I got to the iPad, I found myself using every finger.

People from the village come up and tease me: 'We hear you've started drawing on your telephone.' And I tell them, 'Well, no, actually, it's just that occasionally I speak on my sketch pad,'

If you are not playful you are not alive.

I think I’m greedy, but I’m not greedy for money – I think that can be a burden – I’m greedy for an exciting life. I want it to be exciting all the time, and I get it, actually. On the other hand, I can find excitement, I admit, in raindrops falling on a puddle and a lot of people wouldn’t. I intend to have it exciting until the day I fall over.

...all along I've had an ambivalent relationship to photography - but as to whether I thought it an art form, or a craft, or a technique, well, I've always been taken with Henry Geldzahler's answer to that question when he said, I thought it was a hobby.

I do believe that painting can change the world.

I think we seem to remember things in still pictures. I never gave up on painting. When they said painting was dead, I just thought, Well, that's all about photography, and photography's not that interesting, and it's changing anyway.