Sarah

“Yes, it is easy to see that nearly six years of magical education have not been wasted on you, Potter. Ghosts are transparent.”
― J.K. Rowling, Harry Potter and the Half-Blood Prince

“The thing about growing up with Fred and George," said Ginny thoughtfully, "is that you sort of start thinking anything's possible if you've got enough nerve.”
― J. K. Rowling, Harry Potter and the Half-Blood Prince

“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.”
― J.K. Rowling, Harry Potter and the Sorcerer's Stone

“Hermione launched herself forwards and started punching every inch of him that she could reach.
'Ouch — ow — gerroff! What the — ? Hermione — OW!'
“You — complete — arse — Ronald — Weasley!”
She punctuated every word with a blow: Ron backed away, shielding his head as Hermione advanced.”
― J.K. Rowling, Harry Potter and the Deathly Hallows