Would you like a cough drop Dolores? - J.K. Rowling, Harry Potter and the Order of the Phoenix

"It unscrews the other way."

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

"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—"

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

"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."