Dolores Umbridge: Progress for the sake of progress must be discouraged.
Harry Potter and the Order of the PhoenixNearly Headless Nick: Hello! How are you? Welcome to Gryffindor!
Harry Potter and the Sorcerer's StoneYou fail to recognize that it matters not what someone is born, but what they grow to be!
Harry Potter and the Goblet of FireWhat would come, would come...and you would have to meet it, when it did.
Harry Potter and the Goblet of FireWe are only as strong as we are united, as weak as we are divided.
Harry Potter and the Goblet of FireGreat, tell me when you've defeated Voldemort for me, will you?
Harry Potter and the Deathly HallowsSnape raised his wand and pointed it directly at Dumbledore. "
Harry Potter and the Half-Blood PrinceAnd anyway, it’s not as though I’ll never see Mum again, is it?
Harry Potter and the Order of the Phoenix