Do you—do you think I want to—do you think I give a—I DON'T CARE WHAT YOU HAVE TO SAY!" Harry roared. "You will," said Dumbledore sadly. "Because you are not nearly as mad at me as you ought to be. If you are to attack me, as I know you are close to doing, I would like to have thoroughly earned it.

What will come, will come; you just have to be there to meet it.

Be ruthless about protecting writing days, i.e., do not cave in to endless requests to have "essential" and "long overdue" meetings on those days.

Are you planning to follow a career in Magical Law, Miss Granger?” asked Scrimgeour. “No, I’m not,” retorted Hermione. “I’m hoping to do some good in the world!

The poor things keep calling in those – those pumbles, I think they're called – you know, the ones who mend pipes and things – " "Plumbers?" " – exactly, yes, but of course they're flummoxed.

Are you insane? Of course I want to leave the Dursleys! Have you got a house? When can I move in?

... you could claim that anything's real if the only basis for believing in it is that nobody's proved it doesn't exist!