Yes, well, principles are sometimes the problem, if you ask me,' said Miles. 'Often what's needed is a bit of common sense.' 'Which is the name people usually give to their prejudices,' rejoined Kay.

The moment you are old enough to take the wheel, responsibility lies with you.

Percy wouldn't notice a joke if it danced naked in front of him wearing one of Dobby's hats.

Failure is so impor - it doesn't get spoken about enough. We speak about success all the time.

Think your little jokes'll help you on your deathbed?" she jeered. "Jokes? No,no, these are manners," replied Dumbledore.

Harry: "And what if I wave my wand and nothing happens?” Ron: “Throw it away and punch him on the nose.

Tut, tut — fame clearly isn't everything.