"The first word out of those poor Petrified people's mouths will be 'It was Hagrid.' Frankly, I'm astounded Professor McGonagall thinks all these security measures are necessary."
-Gilderoy Lockhart

"There is no good and evil, there is only power...and those too weak to seek it."
-Quirrel

"If you made a better rat than a human, that's not much to boast about."
-Sirius Black

"To the well organized mind, death is but the next great adventure."
-Albus Dumbledore

"Never trust anything that can think for itself, if you can't see where it keeps its brain."
-Arthur Weasley

"It is our choices Harry, that show what we truly are, far more than our abilities."
-Dumbledore

"You should have died! Died rather than betray your friends, as we would have done for you!"
-Sirius Black

"Fear of a name increases fear of a thing itself."
-Dumbledore

"Voldemort...is my past, present and future..."
-Tom Riddle

"When a wizard goes over to the dark side there's nothin', and no one matters to 'em anymore."
-Hagrid

"Haven't I already told you that killing Mudbloods doesn't matter to me any more? For many months now, my new target has been -- you."
-Tom Riddle

"Humans have a knack for choosing precisely the things that are worst for them."
-Dumbledore

"Quite the double act, Sirius Black and James Potter."
-Madame Rosmerta

"His eyes are as green as a fresh pickled toad
his hair as dark as a blackboard,
I wish he was mine, he's really divine,
The hero who conquered the dark lord."
-Ginny

"I'm not blamin' yeh...but I gotta tell yeh, I thought you two'd value yer friend more'n broomsticks or rats. Tha's all."
-Hagrid

"If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals." -Sirius Black

"Remember Cedric. Remember, if the time should come when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory."
-Dumbledore

"Hearing voices no one else can hear isn't a good sign, even in the wizarding world."
-Ron

"I don't need a cloak to become invisible."
-Dumbledore

"I can teach you how to bottle fame, brew glory, even stopper death -- if you aren't as big a bunch of dunderheads as I usually have to teach."
-Snape

"Your mother died to save you. If there is one thing Voldemort can't understand, its love."
-Dumbledore

"Scars can come in handy. I have one myself above my left knee that is a perfect map of the London Underground."
-Dumbledore

"I seem to remember telling you both that I would have to expel you if you broke any more school rules," said Dumbledore. Ron opened his mouth in horror. "Which goes to show that the best of us must sometimes eat our words," Dumbledore went on, smiling.

"And Potter -- do try and win, won't you? Or we'll be out of the running for the eighth year in a row, as Professor Snape was kind enough to remind me only last night..."
-Prof. McGonagall

"I don't go looking for trouble. Trouble usually finds me."
-Harry

"What was there to be gained by fighting the most evil wizard who has ever existed? Only innocent lives, Peter."
-Sirius Black

"There's enough filth on my robes without you touching them."
-Sirius Black

"Are you insane? Of course I want to leave the Dursleys! Have you got a house? When can I move in?"
-Harry

"Not at all up to your usual standard, Hermione," he said. "Only one out of three, I'm afraid. I have not been helping Sirius get into the castle and I certainly don't want Harry dead...but I won't deny that I am a werewolf."
-Lupin

"He was my mum and dad's best friend. He's a convicted murderer, but he's broken out of wizard prison and he's on the run. He likes to keep in touch with me, though...keep up with news...check if I'm happy..."
-Harry

"Please, sir," said Hermione, whose hand was still in the air, "the werewolf differs from the true wolf in several small ways. The snout of the werewolf--"
"That is the second time you have spoken out of turn, Miss Granger," Snape said coolly. "Five more points from Gryffindor for being an insufferable know-it-all."
Hermione went very red, put down her hand and stared at the floor with her eyes full of tears. It was a mark of how much the class loathed Snape, they were all glaring at him, because every one of them had called Hermione a know-it-all at least once, and Ron, who told Hermione she was a know-it-all at least twice a week, said loudly, "You asked us a question and she knows the answer! Why ask if you don't want to be told?"

"I still don't like your tone, boy. If you can speak of your beatings in that casual way, they clearly aren't hitting you hard enough. Petunia, I'd write to them if I were you. Make it clear that you approve the use of extreme force in this boy's case."
-Aunt Marge

"You might even have a scar now, if you're lucky...that's what you want, isn't it?"
-Harry to Ron

"There you go, Harry! You weren't being thick after all -- you were just showing moral fiber!"
-Ron

"You are truly your father's son, Harry..."
-Sirius Black

"'Course Dumbledore trusts you. He's a trusting man, isn't he? Believes in second chances. But me -- I say there are spots that don't come off, Snape. Spots that never come off, know what I mean?"
-Moody

" Bad Dobby! Bad Dobby!"

-Dobby ( in case you were wondering)

" Mr Moony presents his compliments to Professor Snape and begs him to keep his abnormally large nose out of other people's business. Mr Prongs agrees with Mr. Moony, and would like to add Professor Snape is an ugly git. Mr. Padfoot would like to register his astonisment that an idoit like that ever became a professor. Mr Wormtail bids Professor Snape a good day and advises him to wash his hair, the slimeball.

- Maurader's Map

" I thought it sounded a bit like Percy singing... maybe you've got to attack him while he's in the shower, Harry.

- George

All the evidence last year was that someone inside Hogwarts was trying to kill you, Harry! This year we know that there's someone outside Hogwarts who'd like to kill us all!

- Sirius

Yeah, someone might slip dragon dung in it again, eh, Perce?" said Fred.
"That was a sample of fertilizer from Norway!" said Percy, going very red in the face. "It was nothing personal!"
"It was," Fred whispered to Harry as they got up from the table. "We sent it."

- Fred