Accio Brain! - J.K. Rowling, Harry Potter and the Order of the Phoenix

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

"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."

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

"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."

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