You're a prefect? Oh Ronnie! That's everyone in the family!"... - J.K. Rowling, Harry Potter and the Order of the Phoenix

"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."

"Don’t put your wand there, boy! ... Better wizards than you have lost buttocks, you know!"

"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."

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