Living creatively is really important to maintain throughout your life. And living creatively doesn't mean only artistic creativity, although that's part of it. It means being yourself, not just complying with the wishes of other people.

It's a funny show. The characters are surprisingly likable, given how ugly they are. We've got this huge cast of characters that we can move around. And over the last few seasons, we've explored some of the secondary characters' personal lives a bit more.

The world ends when I die. And as far as I'm concerned, the rest of the universe might as well call it a day too.

The conundrum that I face on a daily basis is that I have two sons who have grown up watching 'The Simpsons,' so they know exactly what buttons to push. They know how Bart irritates Homer, and they use these lines against me to tell me that I'm not funny anymore.

My father was a really sharp cartoonist and filmmaker. He used to tape-record the family surreptitiously, either while we were driving around or at dinner, and in 1963 he and I made up a story about a brother and a sister, Lisa and Matt, having an adventure out in the woods with animals.

You tried your best and you failed miserably. The lesson is 'never try.' Homer Simpson

'The Simpsons' from the very beginning was based on our memories of brash '60s sitcoms - you had a main title theme that was bombastic and grabbed your attention - and when you look at TV shows of the 1970s and '80s, things got very mild and toned down and... obsequious.