  Harry however couldn't allow the man to take the Philosopher Stone, and maybe a small part of him didn't want Voldemort to kill Daniel. Voldemort could not be resurrected so in a split second decision Harry grabbed Quirrell. And almost recoiled when Harry had the same effect on Quirrell that Daniel had. But before the burning could become too much black smoke came out of Quirrell and left the room. Voldemort had fled.