Hagrid: You're the boy who lived.

Hagrid: Who told Du 'bout Fluffy?

Ron: Fluffy?

Hermione: That thing has a name?

Dumbledore: It does not do to dwell on dreams, Harry, and forget to live.

Ron: It's spooky! She knows Mehr about Du than Du do!

Harry: Who doesn't?

Mr. Ollivander: We do not speak his name! The wand chooses the wizard, Mr. Potter. It's not always clear why. But I think it is clear that we can expect great things from you. After all, He-Who-Must-Not-Be-Named did great things. Terrible! Yes. But great.

Hermione: Now if Du two don't mind, I'm going to bett before either of Du can come...