"I don't think you should be an Auror, Harry,"said Luna unexpectedly. Everybody looked at her. "The Aurors are part of the Rotfang Conspiracy, I thought everyone knew that. They're working to bring down the Ministry of Magic from within using a mixture of dark magic and gum disease."
"Yes, alive,” said Fudge. “That is — I don’t know — is a man alive if he can’t be killed? I don’t really understand it, and Dumbledore won’t explain properly — but anyway, he’s certainly got a body and is walking and talking and killing, so I suppose, for the purposes of our discussion, yes, he’s alive."
"Killing is not so easy as the innocent believe."
"I am a wizard, not a baboon brandishing a stick."
"Am I about to discover where you, Ron, and Hermione disappeared to while you were supposed to be in the back room of Fred and George's shop?''How did you...?''Harry, please. You're talking to the man who raised Fred and George."
"An Unbreakable Vow?"said Ron, looking stunned. "Nah, he can’t have.... Are you sure?""Yes I’m sure,"said Harry. "Why, what does it mean?""Well, you can’t break an Unbreakable Vow...""I’d worked that much out for myself, funnily enough."