"'You evidently don't know me,' said he.
"'On the contrary,' I answered, 'I think it is fairly evident that I do. Pray take a chair. I can spare you five minutes if you have anything to say.'
"'All that I have to say has already crossed your mind,' said he.
"'Then possibly my answer has crossed yours,' I replied.
"'You stand fast?'
"'Absolutely.'
"He clapped his hand into his pocket, and I raised the pistol from the table. But he merely drew out a memorandum-book in which he had scribbled some dates.
"'You crossed my path on the 4th of January,' said he. 'On the 23rd you incommoded me; by the middle of February I was seriously inconvenienced by you; at the end of March I was absolutely hampered in my plans; and now, at the close of April, I find myself placed in such a position through your continual persecution that I am in positive danger of losing my liberty. The situation is becoming an impossible one.'
"'Have you any suggestion to make?' I asked.
"'You must drop it, Mr. Holmes,' said he, swaying his face about. 'You really must, you know.'
"'After Monday,' said I.
"'Tut, tut,' said he. 'I am quite sure that a man of your intelligence will see that there can be but one outcome to this affair. It is necessary that you should withdraw. You have worked things in such a fashion that we have only one resource left. It has been an intellectual treat to me to see the way in which you have grappled with this affair, and I say, unaffectedly, that it would be a grief to me to be forced to take any extreme measure. You smile, sir, but I assure you that it really would.'
"'Danger is part of my trade,' I remarked.
"'That is not danger,' said he. 'It is inevitable destruction. You stand in the way not merely of an individual, but
