These are some of my own citations about the series. Feel free to add your own.

How can Harry Potter not be real? After all, reality is made up of what toi believe in.

Words have great power. If two words can kill a person, I'd hate to see what a sentence can do.

Which is safer: Quidditch ou football? Me, I'd say Quidditch. toi can't break an ankle while on a broom.

Wave a stick around. It looks like magic.

Well of course Muggles can't see dementors! No one can see despair until it's right on haut, retour au début of them.

There's a spell for that.

Who'd be dumb enought to eat whatever Fred and George offer? Oh, wait, I can't say it's rhetorical. Crabbe and Goyle are that dumb.

If toi stand up for what toi believe in, someone in this world is going to call toi crazy.

If toi go to Hogwarts, saying school is boring is an outright lie.