    "I am the Potions Master of this school, and as such I will be teaching you the art of potion making. Do not mistake me – if you misbehave in my class, you will be disciplined." Harry wasn’t even surprised when Professor Snape looked at him again, but kept his face neutral. "You will receive your class schedules tomorrow morning at breakfast. Curfew is at 10.00pm – no one should be wandering the halls after that time."