CHAPTER XI
THE BLACKMORE CASE REVIEWED
ONE of the conditions of medical practice is the capability of transferring one's attention at a moment's notice from one set of circumstances to another equally important but entirely unrelated. At each visit on his round, the practitioner finds himself concerned with a particular, self-contained group of phenomena which he must consider at the moment with the utmost concentration, but which he must instantly dismiss from his mind as he moves on to the next case. It is a difficult habit to acquire; for an important, distressing or obscure case is apt to take possession of the consciousness and hinder the exercise of attention that succeeding cases demand; but experience shows the faculty to be indispensable, and the practitioner learns in time to forget everything but the patient with whose condition he is occupied at the moment.
My first morning's work on the Blackmore case showed me that the same faculty is demanded in legal practice; and it also showed me that I had yet to acquire it. For, as I looked over the depositions and the copy of the will, memories of the
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