"Come in" his voice was clear and sharp, no trace of the stutter the man had when Harry had met him in Diagon Alley. The trio sat down at the seats near the front of the class. Professor Quirrell said nothing else. Eventually all members of Slytherin house filled the classroom and still the Professor said nothing, simply sitting there with his eyes closed. It wasn't until exactly 10:45, the exact time the lesson started that he moved. His eyes snapped open and he stood up moving away from the desk until he was positioned directly in front of everyone, then he began to speak.