"The last group you need to worry about is the homicidal." I wrap my telekinesis spell around one of my knives in my bag and pull it out and across the room, stopping it directly in front of Parkinson's face, point first. "The kind of unhinged maniacs that when faced with a problem go directly to the heart of it and cut it out. These are the Bellatrix Lestrange, the Antonin Dolohovs, the Voldemorts of the world. They are the kings of the hierarchy...and also its outcasts. And they're the reason for one of the single most important lessons of the School of Hard Knocks...when you're amongst people you don't understand, keep a civil tongue in your head, or you may just lose it."