Alastor Moody. Ex-Auror, Ministry malcontent, and your new Defense Against the Dark Arts...

Professor Moody: Alastor Moody. Ex-Auror, Ministry malcontent, and your new Defense Against the Dark Arts teacher. I am here because Dumbledore asked me. End of story, goodbye, the end! Any questions? When it comes to the Dark Arts I believe in a practical approach. But first, which of you can tell me how many Unforgivable Curses there are? Hermione: Three, sir. Professor Moody: And they are so named? Hermione: Because they are unforgivable. The use of any one of them will... Professor Moody: Earn you a one-way ticket to Azkaban. Correct. The Ministry says you are too young to see what these curses do. I say different! You need to know what you're up against. You need to be prepared... [as he turns to the blackboard again, Seamus ducks under his desk] Professor Moody: You need to find another place to put your chewing gum besides the underside of your desk, Mr. Finnegan! Seamus: [whispering] No way, the old codger can see out of the back of his head! Professor Moody: [throws a piece of chalk at him] And hear across classrooms!