Because to confide a part of your soul to something that can think and move for itself is obviously a very risky business.

... perhaps those who are best suited to power are those who have never sought it.

Well, that was a bit stupid of you,” said Ginny angrily, “seeing as you don’t know anyone but me who’s been possessed by You-Know-Who, and I can tell you how it feels.” Harry remained quite still as the impact of these words hit him. Then he turned on the spot to face her. “I forgot,” he said. “Lucky you,” said Ginny coolly. “I’m sorry,” Harry said, and he meant it.

Wild!" Ron said, twiddling the replay knob on the side. "I can make that old bloke down there pick his nose again... and again... and again...

Oh, these people's minds work in strange ways, Petunia, they're not like you and me," said Uncle Vernon, trying to knock in a nail with the piece of fruitcake Aunt Petunia had just brought him.

Every writer must have a chip of ice in his heart.

And it's Gryfindor in possession again, as Johnson takes the Quaffle - Flint alongside her - poke him in the eye, Angelina - it was a joke, professor, it was a joke.