"As much money and life as you could want! The two things most human beings would choose above all - the trouble is, humans do have a knack of choosing precisely those things that are worst for them."
"To the well-organized mind, death is but the next great adventure."
"Now, you two – this year, you behave yourselves. If I get one more owl telling me you've – you've blown up a toilet or –""Blown up a toilet? We've never blown up a toilet.""Great idea though, thanks, Mum."
"What happened down in the dungeons between you and Professor Quirrell is a complete secret, so, naturally the whole school knows."
"There are some things you can't share without ending up liking each other, and knocking out a twelve-foot mountain troll is one of them."
"Everybody finished the song at different times. At last, only the Weasley twins were left singing along to a very slow funeral march."