Very sorry to knock you up, Watson,' said he [Holmes], 'but it is a common lot this morning. Mrs Hudson has been knocked up, she retorted upon me, an… - Arthur Conan Doyle

It was at such moments that for an instant he ceased to be a reasoning machine and betrayed his human love for admiration and applause. The same singularly proud and reserved nature which turned away with disdain from popular notoriety was capable of being moved to its depth by spontaneous wonder and praise from a friend.

I said that he was my superior in observation and deduction. If the art of the detective began and ended in reasoning from an armchair, my brother would be the greatest criminal agent that ever lived. But he has no ambition and no energy. He will not even go out of his way to verify his own solutions, and would rather be considered wrong than take the trouble to prove himself right.

To Sherlock Holmes she is always the woman. I have seldom heard him mention her under any other name. In his eyes she eclipses and predominates the whole of her sex. It was not that he felt any emotion akin to love for Irene Adler. All emotions, and that one particularly, were abhorrent to his cold, precise but admirably balanced mind. He was, I take it, the most perfect reasoning and observing machine that the world has seen.... And yet there was but one woman to him, and that woman was the late Irene Adler, of dubious and questionable memory.