"I’ll make Goyle do lines, it’ll kill him, he hates writing,” said Ron happily. He lowered his voice to Goyle’s low grunt and, screwing up his face in a look of pained concentration, mimed writing in midair. “I... must... not... look... like... a... baboon’s... backside."
"Ask us no questions and we’ll tell you no lies."
"Hello, Harry"said George, beaming at him. "We thought we heard your dulcet tones.""You don't want to bottle up your anger like that, Harry, let it all out,"said Fred, also beaming. "There might be a couple of people fifty miles away who didn't hear you."
"Youth can not know how age thinks and feels. But old men are guilty if they forget what it was to be young."
"Just because you have the emotional range of a teaspoon doesn't mean we all have."
"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."