“And will it come by owl?” Lily whispered.
“Normally,” said Snape. ”But you’re Muggle-born, so someone from the school will have to come and explain to your parents.”
“Does it make a difference, being Muggle-born?”
Snape hesitated. His black eyes, eager in the greenish gloom, moved over the pale face, the dark red hair.
“No,” he said. ”It doesn’t make any difference.”