Fred and George exchanged looks.
"You don't mind if we don't kiss you, do you, Ron?" said Fred in a falsely anxious voice.
"We could curtsy, if you like," said George.
"Oh, shut up," said Ron, scowling at them.

Give her hell from us, Peeves."

And Peeves, whom Harry had never seen take an order from a student before, swept his belled hat from his head and sprang to a salute as Fred and George wheeled about to tumultuous applause from the students below and sped out of the open front doors into the glorious sunset.

You're joking, Perce! You are actually joking, Percy... I don't think I've heard you joke since you were-

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.

Fred and George turned to each other and said together, 'Wow, we're identical!'

'I dunno though, I think I'm still better looking,' said Fred, examining his reflection in the kettle.

Wow, we're identical!