We can't choose our fate, but we can choose others. Be careful in knowing that.

The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive. You will never truly know yourself, or the strength of your relationships, until both have been tested by adversity. Such knowledge is a true gift, for all that it is painfully won, and it has been worth more than any qualification I ever earned.

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.

Dudley had reached roughly the size and weight of a young killer whale.

Sure you can manage that broom, Potter?" said a cold, drawling voice. Draco Malfoy had arrived for a closer look, Crabbe and Goyle right behind him. "Yeah, reckon so," said Harry casually. "Got plenty of special features, hasn't it?" said Malfoy, eyes glittering maliciously. "Shame it doesn't come with a parachute - in case you get too near a Dementor." Crabbe and Goyle sniggered. "Pity you can't attach an extra arm to yours, Malfoy," said Harry. "Then it could catch the Snitch for you.

The world had ended, so why had the battle not ceased, the castle fallen silent in horror, and every combatant laid down their arms?

Without cunning, there is no innovation. Without ambition, there is no accomplishment.