“But why? Why did you do the evil things you did?' Billy asks suddenly.'Ah, because I could not imagine consequences,' the Professor says. 'To do harm, to live through evil, is to align oneself with chaos. Now it is the same chaos which is slowly destroying me.”

“[after discussion about what evil is, a question asked to Elphaba on why she killed Madame Morrible]"Why did you do it?" asked the hostess with spirit.The Witch shrugged. "For fun? Maybe evil is an art form.”

“- You take evil for good. It's a passing crisis. It's the result of your illness, perhaps.- You do despise me! It's simply that I don't want to do good, I want to do evil, and it has nothing to do with illness.- Why do evil?- So that everything will be destroyed. Oh, how nice it would be if everything were destroyed! You know, Alyosha, I sometimes think of doing a lot of harm. I would do it for a long while secretly and then suddenly everyone would find out. Everyone will stand around and point their fingers at me and I will look at them all. That would be awfully nice.”

“I know a cute thing to say to a kid when they ask why it's raining. I say to them it's raining because god is crying. And if they ask why god is crying, a cute thing to say is, god is crying probably because of something you did.”

“Why didn't you kill me like you did that guy back there? Billy? Or does it even make any sense to ask? Are you beyond why?'Oh shit, we're all beyond why, you know that.”

“why can't you see i'm a kid', said the kid.Why try to make me like you?Why are you hurt when I don't cuddle?Why do you sigh when I splash through a puddle?Why do you scream when I do what I did?Im a kid.”