"I don’t go looking for trouble. Trouble usually finds me!"

"What would we want to be prefects for? It'd take all the fun out of life."

"I solemnly swear that I am up to no good."

"We tried to shut him [Percy] in a pyramid. But Mum spotted us."

"The consequences of our actions are always so complicated, so diverse, that predicting the future is a very difficult…"

"You think the dead we loved ever truly leave us? You think that we don't recall them more clearly than ever in times …"

"I'm not blamin' yeh … but I gotta tell yeh, I thought you two'd value yer friend more'n broomsticks or rats. Tha's all."

"When a wizard goes over ter the Dark Side there's nothin' and no one matters to 'em anymore.…"

"Ah, well. People can be a bit stupid about their pets."

"There's enough filth on my robes without you touching them."