"Would she not have made an admirable queen? Is it not a pity that she was not on my level?"

"From what I have seen of the lady she seems indeed to be on a very different level to your Majesty," said Holmes coldly.

—  Holmes’ perspective on Irene Adler compared with that of the King of Bohemia, A Scandal in Bohemia

"Now, Watson, I want you to do something for me."

"I am here to be used, Holmes."

"Well, then, spend the next twenty-four hours in an intensive study of Chinese pottery."

He gave no explanations and I asked for none. By long experience I had learned the wisdom of obedience.

—  Holmes and Watson, The Adventure of the Illustrious Client
It was worth a wound - it was worth many wounds - to know the depth of loyalty and love which lay behind that cold mask. The clear, hard eyes were dimmed for a moment, and the firm lips were shaking. For the one and only time I caught a glimpse of a great heart as well as of a great brain. All my years of humble but single-minded service culminated in that moment of revelation.
—  The Case-Book of Sherlock Holmes: The Adventure of the Three Garridebs