It's fair to say that the Bible contains equal amounts of fact, history, and pizza. - Penn Jillette

The question I get asked by religious people all the time is, without God, what’s to stop me from raping all I want? And my answer is: I do rape all I want. And the amount I want is zero. And I do murder all I want, and the amount I want is zero. The fact that these people think that if they didn’t have this person watching over them that they would go on killing, raping rampages is the most self-damning thing I can imagine. I don't want to do that. Right now, without any god, I don't want to jump across this table and strangle you. I have no desire to strangle you. I have no desire to flip you over and rape you.

Interviewer: Are there any groups you won’t go after? Penn: We haven’t tackled Scientology [in Penn & Teller: Bullshit!] because Showtime doesn’t want us to. Maybe they have deals with individual Scientologists—I’m not sure. And we haven’t tackled Islam because we have families.
Interviewer: Meaning, you won’t attack Islam because you’re afraid it’ll attack back … Penn: Right, and I think the worst thing you can say about a group in a free society is that you’re afraid to talk about it—I can’t think of anything more horrific.

Believing there's no God means I can't really be forgiven except by kindness and faulty memories. That's good; it makes me want to be more thoughtful. I have to try to treat people right the first time around.