'It only put me in Gryffindor,' said Harry in a defeated voice, 'because I asked not to go in Slytherin...' 'Exactly' said Dumbledore, beaming once more. 'Which makes you very different from Tom Riddle. It is our choices, Harry, that show what we truly are, far more than our abilities.'
J. K. RowlingCan't stay long, Mother," he said. "I'm up front, the prefects have got two compartments to themselves-" "Oh, are you a prefect, Percy?" said one of the twins, with an air of great surprise. "You should have said something, we had no idea." "Hang on, I think I remember him saying something about it," said the other twin. "Once-" "Or twice-" "A minute-" "All summer-" "Oh, shut up," said Percy the Prefect.
J. K. RowlingWhat are you doing with all those books anyway?" Ron asked. Just trying to decide which ones to take with us," said Hermione. When we're looking for the Horcruxes." Oh, of course," said Ron, clapping a hand to his forehead. "I forgot we'll be hunting down Voldemort in a mobile library.
J. K. Rowling