My dear Watson," said [Sherlock Holmes], "I cannot agree with those who rank modesty among the virtues. To the logician all things should be seen exactly as they are, and to underestimate one's self is as much a departure from truth as to exaggerate one's own powers.
You say that your fare told you that he was a detective?" "Yes, he did." "When did he say this?" "When he left me." "Did he say anything more?" "He mentioned his name." Holmes cast a swift glance of triumph at me. "Oh, he mentioned his name, did he? That was imprudent. What was the name that he mentioned?" “His name," said the cabman, "was Mr. Sherlock Holmes.
""Dear girl," continued Bob advancing with an imbecile grin upon his countenance, which he imagined no doubt to be a seductive smile, "fly with me! Be mine! Share with me the wild free life of a barrister! Say that you return the love which consumes my heart - oh, say it!" Here Bob put his hand over a hole in his waistcoat and struck a dramatic attitude.
And yet the motives of women are so inscrutable. You remember the woman at Margate whom I suspected for the same reason. No powder on her nose - that proved to be the correct solution. How can you build on such a quicksand? Their most trivial action may mean volumes, or their most extraordinary conduct may depend upon a hairpin or a curling tongs.
His love of danger, his intense appreciation of the drama of an adventure--all the more intense for being held tightly in--his consistent view that every peril in life is a form of sport, a fierce game betwixt you and Fate, with Death as a forfeit, made him a wonderful companion at such hours.
There is a danger there - a very real danger to humanity. Consider, Watson, that the material, the sensual, the worldly would all prolong their worthless lives. The spiritual would not avoid the call to something higher. It would be the survival of the least fit. What sort of cesspool may not our poor world become?
Perhaps, when a man has special knowledge and special powers like my own, it rather encourages him to seek a complex explanation when a simpler one is at hand.
The most dangerous condition for a man or a nation is when his intellectual side is more developed than his spiritual. Is that not exactly the condition of the world today?
I could not rest, Watson, I could not sit quiet in my chair, if I thought that such a man as Professor Moriarty were walking the streets of London unchallenged.