“But you can't kill a demon because they're evil spirits, like a ghost.”

“It doesn't pay to say there's no Devil and no demons and no such thing as evil, sin, or sickness, and just try to ignore the facts. It would be like trying to ignore that you have a disease when you've really got it, because as long as you have it and try to hide it, you can't very well find the remedy.”

“Ghosts don't haunt us. That's not how it works. They're present among us because we won't let go of them."

"I don't believe in ghosts," I said, faintly.

"Some people can't see the color red. That doesn't mean it isn't there," she replied.”

“Well, what kind of thing does make you feel calm and peaceful?"
"Killing demons. A good clean kill is very relaxing. The messy ones are more annoying, because you have to clean up afterward--"
"No. No killing. We're trying to make you feel peaceful. Blood, killing, war, those are all non-peaceful things. Isn't there anything else you like?"
"Weapons. I like weapons.”

“You don't know whether chimps are going to kill you or kiss you. They're very open on some levels and much more evil in a certain way.”

“"No!" shouted Arthur. "What's wrong with you? They're people! You can't just kill hundreds or thousands of Piper's children because the Piper might… just might… make some of them do something!"
"Can't we?" asked Dame Primus. She sounded genuinely puzzled.”

“I can't be frustrated at you because you’re stupid but I can be mad at you because you’re evil.”

“I will kill all of you. All the ghosts will come.”

“There's a ghost in this house! An unquiet spirit!"
Unquiet spirit?" Shane said under his breath. "Is that politically correct for pissed off? You know, like Undead American or something?”

“You can't really succeed with a novel anyway; they're too big. It's like city planning. You can't plan a perfect city because there's too much going on that you can't take into account. You can, however, write a perfect sentence now and then. I have.”