Kay

“Well?" Ron said finally, looking up at Harry. "How was it?"
Harry considered it for a moment. "Wet," he said truthfully.
Ron made a noise that might have indicated jubilation or disgust, it was hard to tell.
"Because she was crying," Harry continued heavily.
"Oh," said Ron, his smile faded slightly. "Are you that bad at kissing?"
"Dunno," said Harry, who hadn't considered this, and immediately felt rather worried. "Maybe I am.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

“Give her hell from us, Peeves.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

“Wit beyond measure is man’s greatest treasure.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

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