Ruby

“Is it true that you shouted at Professor Umbridge?"
"Yes."
"You called her a liar?"
"Yes."
"You told her He Who Must Not Be Named is back?"
"Yes."
"Have a biscuit, Potter.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

“How do you feel, Georgie?" whispered Mrs. Weasley.
George's fingers groped for the side of his head.
"Saintlike," he murmured.
"What's wrong with him?" croaked Fred, looking terrified. "Is his mind affected?"
"Saintlike," repeated George, opening his eyes and looking up at his brother. "You see...I'm HOLEY, Fred, geddit?”
― J.K. Rowling, Harry Potter and the Deathly Hallows

“Don't, Ginny, we'll send you loads of owls.
We'll send you a Hogwarts toilet seat.
George!
Only joking, Mum.”
― J.K. Rowling, Harry Potter and the Sorcerer's Stone

“Hey, look — Harry’s got a Weasley sweater, too!”

Fred and George were wearing blue sweaters, one with a large yellow F on it, the other a G.

“Harry’s is better than ours, though,” said Fred, holding up Harry’s sweater. “She obviously makes more of an effort if you’re not family.”
― J.K. Rowling, Harry Potter and the Sorcerer's Stone