Yasmin

“Well, I certainly don't," said Percy sanctimoniously. "I shudder to think what the state of my in-tray would be if I was away from work for five days."
"Yeah, someone might slip dragon dung in it again, eh, Perce?" said Fred.
"That was a sample of fertilizer from Norway!" said Percy, going very red in the face. "It was nothing personal!"
"It was," Fred whispered to Harry as they got up from the table. "We sent it.”
― J.K. Rowling, Harry Potter and the Goblet of Fire

“I hope you're pleased with yourselves. We could all have been killed - or worse, expelled. Now if you don't mind, I'm going to bed.”
― J.K. Rowling, Harry Potter and the Sorcerer's Stone

“From now on, I don't care if my tea leaves spell 'Die, Ron, Die,' I'm chucking them in the bin where they belong.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

“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