“Perhaps I should explain the conditions,” he continued. “All the entrances to this room are securely fastened. The door is locked, and, as you see, there is a heavy curtain across it. The window is boarded up, and there are no other openings. If you were to shout as loud as you cared, no one could possibly hear you. Please do not think I wish to threaten you, Dr. Priestley, but I would point out that if you were so unwise as to attempt personal violence, I am a very much more powerful man than you, and I am armed. I am afraid that there is no alternative for you but to listen to what I say. And after that will come release. Now, surely you will sit down, Dr. Priestley.”