Just because you have the emotional range of a teaspoon does... - J.K. Rowling, Harry Potter and the Order of the Phoenix

"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!"

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

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

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

"I’ll make Goyle do lines, it’ll kill him, he hates writing,” said Ron happily. He lowered his voice to Goyle’s low grunt and, screwing up his face in a look of pained concentration, mimed writing in midair. “I... must... not... look... like... a... baboon’s... backside."