最后一案（3）（在线收听）

“His career has been an extraordinary one. He is a man of good birth and excellent education, endowed by nature with a phenomenal mathematical faculty. At the age of twenty-one he wrote a treatise upon the Binomial Theorem, which has had a European vogue. On the strength of it he won the Mathematical Chair at one of our smaller universities, and had, to all appearance, a most brilliant career before him. But the man had hereditary tendencies of the most diabolical kind. A criminal strain ran in his blood, which, instead of being modified, was increased and rendered infinitely more dangerous by his extraordinary mental powers. Dark rumors gathered round him in the university town, and eventually he was compelled to resign his chair and to come down to London, where he set up as an army coach. So much is known to the world, but what I am telling you now is what I have myself discovered.

“As you are aware, Watson, there is no one who knows the higher criminal world of London so well as I do. For years past I have continually been conscious of some power behind the malefactor, some deep organizing power which forever stands in the way of the law, and throws its shield over the wrong-doer. Again and again in cases of the most varying sorts—forgery cases, robberies, murders—I have felt the presence of this force, and I have deduced its action in many of those undiscovered crimes in which I have not been personally consulted. For years I have endeavored to break through the veil which shrouded it, and at last the time came when I seized my thread and followed it, until it led me, after a thousand cunning windings, to ex-Professor Moriarty of mathematical celebrity.

“He is the Napoleon of crime, Watson. He is the organizer of half that is evil and of nearly all that is undetected in this great city. He is a genius, a philosopher, an abstract thinker. He has a brain of the first order. He sits motionless, like a spider in the center of its web, but that web has a thousand radiations, and he knows well every quiver of each of them. He does little himself. He only plans. But his agents are numerous and splendidly organized. Is there a crime to be done, a paper to be abstracted, we will say, a house to be rifled, a man to be removed—the word is passed to the Professor, the matter is organized and carried out. The agent may be caught. In that case money is found for his bail or his defence. But the central power which uses the agent is never caught—never so much as suspected. This was the organization which I deduced, Watson, and which I devoted my whole energy to exposing and breaking up.

“他的履历非同等闲。他出身良家，受过极好的教育，有非凡的数学天赋。他二十一岁时写了一篇关于二项式定理的论文，曾经在欧洲风行一时。借此机会，他在我们的一些小学院里获得了数学教授的职位，并且，显然，他的前程也是光辉灿烂的。可是这个人秉承了他先世的极为凶恶的本一性一。他血液中奔流着的犯罪的血缘不但没有减轻，并且由于他那非凡的智能，反而变本加厉，更具有无限的危险一性一。大学区也流传着他的一些劣迹，他终于被迫辞去教授职务，来到了伦敦，打算作一名军事教练。人们只知道他这些情况，不过我现在准备告诉你的是我自己发现的情况。

“你是知道的，华生，对于伦敦那些高级犯罪活动，再没有谁比我知道得更清楚了。最近这些年来，我一直意识到在那些犯罪分子背后有一股势力，有一股一陰一险的势力总是成为法律的障碍，庇护着那些作恶的人。我所办理的案件，五花八门——伪造案，抢劫案，凶杀案——我一而再、再而三地感到这股力量的存在，我运用推理方法发现了这股势力在一些未破案的犯罪案件中的活动，虽然这些案子我个人并未应邀承办。多年来，我想尽办法去揭开荫蔽这股势力的黑幕，这一时刻终于到来了。我抓住线索，跟踪追击，经过千百次的曲折迂回才找到了那位数学名流、退职教授莫里亚蒂。

“他是犯罪界的拿破仑，华生。伦敦城中的犯罪活动有一半是他组织的，几乎所有未被侦破的犯罪活动都是他组织的。他是一个奇才，哲学家，深奥的思想家。他有一个人类第一流的头脑。他象一只蜘蛛蛰伏于蛛网的中心，安然不动，可是蛛网却有千丝万缕，他对其中每一丝的震颤都了如指掌。他自己很少动手，只是出谋划策。他的一党一羽众多，组织严密。我们说，如果有人要作案，要盗窃文件，要抢劫一户人家，要暗杀一个人，只要传给教授一句话，这件犯罪活动就会周密组织，付诸实现。他的一党一羽即使被捕，也有钱把他保释出来，或为他进行辩护。可是指挥这些一党一羽的主要人物却从未被捕过——连嫌疑也没有。这就是我推断出的他们的组织情况，华生，我一直在全力揭露和破获这一组织。