“Oh,” said MacIan, simply, “I apologize.”

Turnbull was coolly curling his red moustache, and the stranger stared from one to the other, temporarily stunned by their innocent assurance.

“But, may I ask,” he said at last, “what the devil you are doing in my summer-house?”

“Certainly,” said MacIan. “We were just going to fight.”

“To fight!” repeated the man.

“We had better tell this gentleman the whole business,” broke in Turnbull. Then turning to the stranger he said firmly, “I am sorry, sir, but we have something to do that must be done. And I may as well tell you at the beginning and to avoid waste of time or language, that we cannot admit any interference.”

“We were just going to take some slight refreshment when you interrupted us...”

The little man had a dawning expression of understanding and stooped and picked up the unused bottle of wine, eyeing it curiously.

Turnbull continued:

“But that refreshment was preparatory to something which I fear you will find less comprehensible, but on which our minds are entirely fixed, sir. We are forced to fight a duel. We are forced by honour and an internal intellectual need. Do not, for your own sake, attempt to stop us. I know all the excellent and ethical things that you will want to say to us. I know all about the essential requirements of civil order: I have written leading articles about them all my life. I know all about the sacredness of human life; I have bored all my friends with it. Try and understand our position. This man and I are alone in the modern world in that we think that God is essentially important. I think He does not exist; that is where the importance comes in for me. But this man thinks that He does exist, and thinking that very properly thinks Him more important than anything else. Now we wish to make a great demonstration and assertion—something that will set the world on fire like the first Christian persecutions. If you like, we are attempting a mutual martyrdom. The papers have posted up every town against us. Scotland Yard has fortified every police station with our enemies; we are driven therefore to the edge of a lonely lane, and indirectly to taking liberties with your summer-house in order to arrange our...”