'Tell me one last thing,' said Harry. 'Is this real? Or has this been happening inside my head?' Dumbledore beamed at him, and his voice sounded loud and strong in Harry's ears even though the bright mist was descending again, obscuring his figure. 'Of course it is happening inside your head, Harry, but why on earth should that mean it is not real?'
J. K. RowlingI've never wanted to be a witch, but an alchemist, now that's a different matter. To invent this wizard world, I've learned a ridiculous amount about alchemy. Perhaps much of it I'll never use in the books, but I have to know in detail what magic can and cannot do in order to set the parameters and establish the stories' internal logic.
J. K. RowlingThink your little jokes'll help you on your deathbed?" she jeered. "Jokes? No,no, these are manners," replied Dumbledore.
J. K. RowlingThat wandโs more trouble than itโs worth,โ said Harry. โAnd quite honestly,โ he turned away from the painted portraits, thinking now only of the four-poster bed lying waiting for him in Gryffindor Tower, and wondering whether Kreacher might bring him a sandwich there, โIโve had enough trouble for a lifetime.
J. K. Rowling