By the way, Doctor, I shall want your cooperation.' 'I shall be delighted.' 'You don't mind breaking the law?' 'Not in the least.' 'Nor running a chance of arrest?' 'Not in a good cause.' 'Oh, the cause is excellent!' 'Then I am your man.' 'I was sure that I might rely on you.
One forms provisional theories and waits for time or fuller knowledge to explode them. A bad habit, Mr. Ferguson, but human nature is weak. Sherlock Holmes speaking with Dr. Watson.
Let me run over the principal steps. We approached the case, you remember, with an absolutely blank mind, which is always an advantage. We had formed no theories. We were simply there to observe and to draw inferences from our observations.
When such men, who are beyond hope and fear, begin in their dim minds to see the source their woes, it may be an evil time for those who have wronged them. The weak man becomes strong when he has nothing, for then only can he feel the wild, mad thrill of despair.
By a man's finger-nails, by his coat-sleeve, by his boots, by his trouser-knees, by the callosities of his forefinger and thumb, by his expression, by his shirt-cuff — By each of these things a man's calling is plainly revealed. That all united should fail to enlighten the competent inquirer in any case is almost inconceivable. You know that a conjurer gets no credit when once he has explained his trick; and if I show you too much of my method of working, you will come to the conclusion that I am a very ordinary individual after all.
Nature is the true revelation of the Deity to man. The nearest green field is the inspired page from which you may read all that it is needful for you to know.
Do you remember what Darwin says about music? He claims that the power of producing and appreciating it existed among the human race long before the power of speech was arrived at. Perhaps that is why we are so subtly influenced by it. There are vague memories in our souls of those misty centuries when the world was in its childhood.' That's a rather broad idea,' I remarked. One's ideas must be as broad as Nature if they are to interpret Nature,' he answered.
It is not really difficult to construct a series of inferences, each dependent upon its predecessor and each simple in itself. If, after doing so, one simply knocks out all the central inferences and presents one's audience with the starting-point and the conclusion, one may produce a startling, though perhaps a meretricious, effect.