dismal perspective, that small fractional part of the opium of years which was now represented by a single grain, looming up in endless distance, not unlike that puzzling metaphysical necessity in the perpetual subdivision of a unit, which, carried as far as it may be, always leaves a final half undisposed of. But in this I did myself injustice. I had really gained much in these few days, and the proof of it lay in the use of but half a grain on the day which succeeded New Year's. The third day of January, greatly to my surprise, a quarter-grain I found carried me through the twenty-four hours with apparently some slight remission of suffering. As I now look back upon it, the worst of the experiment lay in the three weeks intervening between the 10th and the 31st of December. So far as mere pain of body was concerned, there was little to choose between the agony of one day and another; but the apprehension that insanity might set in, certainly aggravated the distress of the later stages of the trial. When a man knows that he is practicing self-control to the very utmost, and holding himself up steadily to his work in spite of the gravest discouragements, the consciousness that a large vacuum is being gradually formed in his brain is not exhilarating. The next day--to me a very memorable one--the fourth of January, I sat for most of the day rocking backward and forward on a sofa or a chair, speaking occasionally a few words in a low sepulchral voice, but with the one bitter feeling, penetrating my whole nature, that come what would, on that day _I would not_. When the clock struck twelve at midnight, and I knew that for the first time in many years I had lived for an entire day without opium, it excited no surprise or exultation. The capacity for an emotion of any kind was exhausted. I seemed as little capable of a sentiment as a man well could be, this side of his winding-sheet. I knew, of course, that in these forty days save one, I had worked out the problem, How to leave off opium, and that I had apparently attained a final deliverance: but it was several weeks before I appreciated with any confidence the completion of the task I had undertaken.