“Deliberately causing mayhem in Snape's Potions class was about as safe as poking a sleeping dragon in the eye.”
“Snape was looking as though the first person to ask him for a Love Potion would be force-fed poison.”
“I think I'd better do the actual stealing," Hermione continued in a matter-of-fact tone. "You two will be expelled if you get into anymore trouble, and I've got a clean record. So all of you need to do is cause enough mayhem to keep Snape busy for five minutes or so.”
“If you come within two feet of this curtain, I will poke out your eyes while you sleep.”
“They knew bullshit, and they knew about the ruling class; dying for a ruling class cause was almost always bullshit.”
“Hey, rock dude, are you destroying the house? Causing mayhem? Who’s a ferocious gargoyle? Stoney’s a ferocious gargoyle.”