“I've developed a theory that there's an inverse relationship between money and imagination. That if you've got lots of imagination then you don't really need much money, and if you've got lots of money then you won't bother with much imagination. You've got to be able to pay your bills, otherwise you're not going to sleep at night. But beyond that, the world inside my head has always been a far richer place than the world outside it. I suppose that a lot of my art and writing are meant to bring the two together.”