It's not like we have a formula, but I think one of the reasons this show has survived is that it has a big heart at its center. Other cartoon shows have people crap on each other and make racist jokes. But I don't think people tune in for that. I just don't think a show lasts for 10 years without a heart.

So much of what you see now in Hollywood is written and directed by committee, and you can see it.

It's been a fascinating thing because we didn't really know how to write when we started South Park at all. It's been like, we've just sort of grown up a bit and it's amazing to just see how, if you take Butters and Cartman and put them in any scene, it works.

You don't need missionaries in Colorado; you got Colorado.

There's a lot of people who, a cigarette is about the only vacation they have.

I've learned that all a person has in life is family and friends. If you lose those, you have nothing, so friends are to be treasured more than anything else in the world.

I would let my kids watch this stuff way before I'd let them watch something like 'Full House' that I think would make them stupid.