I'm a what?" gasped Harry. "A wizard, o' course," said Hagrid, sitting back down on the sofa, which groaned and sank even lower, "an' a thumpin' good'un I'd say, once yeh've been trained up a bit. With a mum an' dad like yours, what else would yeh be?
J. K. RowlingSo Dobby stopped us from getting on the train and broke your arm. . . ." He shook his head. "You know what, Harry? If he doesn't stop trying to save your life he's going to kill you.
J. K. RowlingAnd sure enough, in seeking to become superhuman this foolhardy young man renders himself inhuman. The heart that he has locked away slowly shrivels and grows hair, symbolising his own descent to beasthood.
J. K. Rowling