Harry's musings were ended by Professor Dumbledore, who stood up at the staff table. The Great Hall, which in any case had been less noisy than it usually was at the Leaving Feast, became very quiet.
Voldemort's tone was musing, calm, but Harry's scar had begun to throb and pulse: Pain was building in his forehead, and he could feel that controlled sense of fury building inside Voldemort.