"I still haven't figured out completely just how much of the magical defenses Quirrell has managed to sniff out, but he certainly isn't as timid as he pretends to be."
In the headmaster's office, Professor Snape was reporting his latest intelligence to Dumbledore.
"I suspect the magical traps you had us set up are completely useless anyway," Snape said expressionlessly, looking at Dumbledore, who sat at his desk with his hands crossed in thought. "If Quirrell really is the Dark wizard who broke into Gringotts."
Chapter 405