"Welcome to Defence Against The Dark Arts, my name is Professor Quirrell for those of you who remain unaware of it. This subject is one of the most important subjects you will ever study at Hogwarts, not just for the spell I will teach or the facts you will learn but for those who master this subject you will have a better understanding of magic than anyone else." His voice remained unaffected by the man's usual stutter. "You see it is more than just learning how to best defend yourself, it is about learning to identify magic, learning how to feel and how best to nullify it. You will learn a lot if you give me your undivided attention." It was hard not to, the man seemed to almost draw everyone's attention to him. "Now before we learn how to defend, we must first learn about what we are defending against. So can anyone define the dark arts for me."