"What do you get if you added powdered root of asphodel to an infusion of wormwood?"

"Hogwarts, Hogwarts.  Warty, warty Hogwarts. Teach us something please!"

"Quidditch Through the Ages"

"Of course, I wouldn't expect you to know me...miserable, moping, Moaning Myrtle!"

"The Tales of Beedle the Bard"

"Neither can live.

 While the other survives..."

 "Sir Nicholas De Mimsy Porpington, at your service."

"Dobby has got a sock," said Dobby in disbelief. "Master threw it, and Dobby caught it, and Dobby -- Dobby is free."

"Expelliarmus!"

"Kids' Letters to Harry Potter from Around the World"