Potter, you rotter.

haha. I was bored. So I decided to pick out one of my favorite quotes from each Harry Potter book. I'll actually start that in a second, but I thought that these three quotes deserve good mention outside of my list:
"Oh, Potter, you rotter, oh, what have you done, You're killing off students, you think it's good fun." - Peeves
"Of course I know Dumbledore, who doesn't know Dumbledore?" - Mrs. Figg
"I am a wizard, not a baboon brandishing a stick." - Professor Flitwick
haha. Okay. Here we go!

Philosopher's Stone.
"There are some things you can't share without ending up liking each other, and knocking out a twelve-foot mountain troll is one of them (Chapter 10)"

Chamber of Secrets
"Now, Harry you must know all about Muggles, tell me, what exactly is the function of a rubber duck? " - Arthur Weasley [yes.. I got a rubber duck quote from the whole book.]

Prisoner of Azkaban
"You look in excellent health to me, Potter, so you will excuse me if I don't let you off homework today. I assure you that if you die, you need not hand it in." - McGonagall
AND. " Harry and Ron both made furious moves toward Malfoy, but Hermione got there first--SMACK! She had slapped Malfoy across the face with all the strength she could muster. "

Goblet of Fire
"Colin, I fell in!" he [Dennis Creevey] said shrilly, throwing himself into an empty seat. "It was brilliant! And something in the water grabbed me and pushed me back in the boat!"
"Cool!" said Colin, just as excitedly. "It was probably the giant squid, Dennis!"
"Wow!" said Dennis, as though nobody in their wildest dreams could hope for more than being thrown into a storm-tossed, fathoms-deep lake, and pushed out of it again by a giant sea monster. "

Order of the Phoenix
"A week after Fred and George's departure, Harry witnessed Professor McGonagall walking right past Peeves, who was determinedly loosening a crystal chandelier, and could have sworn he heard her tell the poltergeist out of the corner of her mouth, "It unscrews the other way." "
AND.. "(After Lupin goes through a list of all the things they've done to discredit Dumbledore) "But Dumbledore says he doesn't care what they do as long as they don't take him off the Chocolate Frog Cards," said Bill, grinning. "
And since this is my favorite book as well as movie, I must add this favorite movie quote: "I'm sorry Professor, I must not tell lies." - Harry Potter!

Half-Blood Prince
"And that's Smith of Hufflepuff with the Quaffle," said a dreamy voice, echoing over the grounds. "He did the commentary last time, of course, and Ginny Weasley flew into him, I think probably on purpose, it looked like it. Smith was being quite rude about Gryffindor, I expect he regrets that now he's playing them - oh, look, he's lost the Quaffle. Ginny took it from him. I do like her, she's very nice..." -Luna Lovegood

Deathly Hallows
"Somewhere in the distance they could hear Peeves zooming through the corridors singing a victory song of his own composition:

We did it, we bashed them, wee Potter’s the one, And Voldy’s gone moldy, so now let’s have fun!

“Really gives a feeling for the scope and tragedy of the thing, doesn’t it?” said Ron. "

Woo! :D haha.