That's chess!" snapped Ron. "You've got to make some sacrifices!

You know, I don’t get why Fred and George only got three O.W.L.s each,” said Harry, watching as Fred, George, and Lee collected gold from the eager crowd. “They really know their stuff. . . .” “Oh, they only know flashy stuff that’s no real use to anyone,” said Hermione disparagingly. “No real use?” said Ron in a strained voice. “Hermione, they’ve got about twenty-six Galleons already. . . .

Size is no guarantee of power.

Curiosity is not a sin.... But we should exercise caution with our curiosity... yes, indeed.

At that moment, Harry fully understood for the first time why people said Dumbledore was the only wizard Voldemort had ever feared. The look upon Dumbledore's face as he stared down at the unconscious form of Mad-Eye moody was more terrible than Harry could have ever imagined. There was no benign smile upon Dumbledore's face, no twinkle in the eyes behind the spectacles. There was cold fury in every line of the ancient face; a sense of power radiated from Dumbledore as though he were giving off burning heat.

Sword? Haven't got a sword. That boy has, though. He'll lend you one.

They run off eckeltricity, do they?" he said knowledgeably. "Ah yes, I can see the plugs. I collect plugs," he added to Uncle Vernon. "And batteries. Got a large collection of batteries.