J.K. Rowling, Harry Potter and the Order of the Phoenix

"Youth can not know how age thinks and feels. But old men are guilty if they forget what it was to be young."

"I am not forgotten, you know, no, I still receive a very great deal of fan mail.. . . Gladys Gudgeon writes weekly. . . . I just wish I knew why. . . .”He paused, looking faintly puzzled, then beamed again and returned to his signing with renewed vigor. “I suspect it is simply my good looks. . . ."

"Yeah, Quirrell was a great teacher. There was just that minor drawback of him having Lord Voldemort sticking out of the back of his head!"

"We can't choose our fate, but we can choose others. Be careful in knowing that."

"His priority did not seem to be to teach them what he knew, but rather to impress upon them that nothing, not even... knowledge, was foolproof."

"By all means continue destroying my possessions. I daresay I have too many."

"Mistletoe,"said Luna dreamily, pointing at a large clump of white berries placed almost over Harry's head. He jumped out from under it. "Good thinking,"said Luna seriously. "It's often infested with nargles."

"Just because you have the emotional range of a teaspoon doesn't mean we all have."

"From now on, I don't care if my tea leaves spell 'Die, Ron, Die,' I'm chucking them in the bin where they belong."

"Is it true that you shouted at Professor Umbridge?""Yes.""You called her a liar?""Yes.""You told her He Who Must Not Be Named is back?""Yes.""Have a biscuit, Potter."

"And anyway, it’s not as though I’ll never see Mum again, is it?"

"Indifference and neglect often do much more damage than outright dislike."

"Harry, don't go picking a row with Malfoy, don't forget, he's a prefect now, he could make life difficult for you...""Wow, I wonder what it'd be like to have a difficult life?"said Harry sarcastically."

"Wit beyond measure is a man's greatest treasure."

"Would you like a cough drop Dolores?"

"Did you see me disarm Hermione, Harry?""Only once"said Hermione stung. "I got you loads more then you got me—""I did not only get you once, I got you at least three times—""Well if you're counting the one where you tripped over your own feet and knocked the wand out of my hand—"

"Why were you lurking under our window?""Yes - yes, good point, Petunia! What were you doing under our windows, boy?""Listening to the news,"said Harry in a resigned voice.His aunt and uncle exchanged looks of outrage."Listening to the news! Again?""Well, it changes every day, you see,"said Harry."

"Things we lose have a way of coming back to us in the end, if not always in the way we expect."

"It unscrews the other way."

"You know, Minister, I disagree with Dumbledore on many counts...but you cannot deny he's got style..."