Ask me to do anything in my office, putting my head in great extra danger, and I had better trust my life to the chances of a refusal than the chances of consent. In short, I should make that choice. You talk of desperation. We are all desperate here. Remember! I may denounce you if I think proper, and I can swear my way through stone walls, and so can others. Now, what do you want with me?" "Not very much. You are a turnkey at the Conciergerie?" "I tell you once for all, there is no such thing as an escape possible," said the spy, firmly. "Why need you tell me what I have not asked? You are a turnkey at the Conciergerie?" "I am sometimes."