MARG: You are so close. STEN: To whom? Margravine, not even to himself. This place, this island: all his life he's done nothing but hop from island to island. Is that a reason? Does there have to be a reason? Shall he tell you: he works for no Whitehall, non conceivable unless, ha, ha, the network of white halls in his own brain: these featureless corridors he keeps swept and correct for occasional visiting agents.