You’ve got to give the door something?’‘Yes,’ said Dumbledore. ‘Blood, if I am not much mistaken.’‘Blood?’‘I said it was crude,’ said Dumbledore, who sounded disdainful, even disappointed, as though Voldemort had fallen short of the standards Dumbledore expected.

Viel mehr als unsere Fähigkeiten sind es unsere Entscheidungen, Harry, die zeigen, wer wir wirklich sind.

What happened down in the dungeons between you and Professor Quirrell is a complete secret, so, naturally the whole school knows.

For future reference, Harry, it is raspberry...although of course, if I were a Death Eater, I would have been sure to research my own jam preferences before impersonating myself.