*drumroll*

10."Give me the child."-Lord Voldemort
9."You have no power over me!"-Luke Skywalker(to Palpatine)
8."Nothing? Nothing? Nothing tra la la?"-Ross
7."Oh Merlin..."-King Arthur
6."CHARGE!"-Any of the Three Muskateers
5."Hey little lady, let's play!" - the cat from Red Dwarf
4. "Fear me, love me do as I say and I will be your slave" - Darth Vader to Luke after he told Luke he was his father
3."Put a contribution in the little box" - insert any Evangelist's name in here
2. "You really wanted to talk to me didn't you? Practically broke down the door!" - Jaina Solo after she goes dark

And the number one line from Labyrinth that would sound better coming from characters in other genres is...

"It's not fair!"-Harry Potter