Harry witnessed Professor McGonagall walking right past Peeves who was determinedly loosening a crystal chandelier and could have sworn he heard her tell the poltergeist out of the corner of her mouth 'It unscrews the other way.
J. K. RowlingOf course it is happening inside your head, Harry, but why on earth should that mean that it is not real?
J. K. RowlingI was thinking the first thing we should do is Expelliarmus, you know, the Disarming Charm. I know it's pretty basic but I've found it really useful -" "Oh please," said Zacharias Smith, rolling his eyes and folding his arms. "I don't think Expelliarmus is exactly going to help us against You-Know-Who, do you?" "I've used it against him," said Harry quietly. "It saved my life last June." Smith opened his mouth stupidly. The rest of the room was very quiet. "But if you think it's beneath you, you can leave.
J. K. Rowling