Youth cannot know how age thinks and feels. But old men are guilty if they forget what it was to be young.

You can't give a Dementor the old one-two!

The Potter books in general are a prolonged argument for tolerance, a prolonged plea for an end to bigotry. And I think it's one of the reasons that some people don't like the books, but I think that's it's a very healthy message to pass on to younger people that you should question authority and you should not assume that the establishment or the press tells you all of the truth.

She seemed to think that one of the perks of marriage was that it gave you rights of comment and intrusion over single people's love lives.

Talent and intelligence never yet inoculated anyone against the caprice of the fates.

Hermione drew herself to her full height; her eyes were narrowed and her hair seemed to crackle with electricity. "No," she said, her voice quivering with anger, "but I will write to your mother.

I feel I owe you another explanation Harry," said Dumbledore hesitantly. "You may, perhaps, wondered why I never chose you as a prefect? I must confess...that I rather thought...you had enough responsibility to be going on with." Harry looked up at him and saw a tear trickling down Dumbledore's face into his long silver beard.