Professor Minerva McGonagall: [to Harry, Ron, & Hermione] Why is it, when something happens, it is always you three?
Ron Weasley: Believe me, Professor. I've been asking myself the same question for six years.
Harry Potter and the Half-Blood Prince
Harry Potter and the Half-Blood Prince
Professor Minerva McGonagall: Mr. Davis! Mr. Davis, that is the girls' lavatory.