You foul, lying, evil little cockroach!

Professor Flitwick had dried himself off and set Seamus lines ("I am a wizard not a baboon brandishing a stick")

Dumbledore's man through and through, aren't you Potter?" "Yeah I am," said Harry. "Glad we straightened that out.

The thing about fantasy - there are certain things you just don't do in fantasy.

That's chess!" snapped Ron. "You've got to make some sacrifices!

Tell me, how is Lucius Malfoy these days? I expect he's delighted his lapdog's working at Hogwarts, isn't he?" "Speaking of dogs," said Snape softly, "did you know that Lucius Malfoy recognized you last time you risked a little jaunt outside? Clever idea, Black, getting yourself seen on a safe station platform. Gave you a cast-iron excuse not to leave your hidey-hole in future, didn't it?

You have to kill a lot of trees before you write anything good.