“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?”

“You would not call me a marrying man, Watson?""No, indeed!""You'll be interested to hear that I'm engaged.""My dear fellow! I congrat-""To Milverton's housemaid.""My dear Holmes!""I wanted information, Watson.”

“If you had killed Watson, you would not have got out of this room alive.”

“Some believe what separates men from animals is our ability to reason. Others say it’s language or romantic love, or opposable thumbs. Living here in this lost world, I’ve come to believe it is more than our biology. What truly makes us human is our unending search, our abiding desire for immortality.”

“Should I ever marry, Watson, I should hope to inspire my wife with some feeling which would prevent her from being walked off by a housekeeper when my corpse was lying within a few yards of her.”

“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.”

“Exactly, Watson. Pathetic and futile. But is not all life pathetic and futile? Is not his story a microcosm of the whole? We reach. We grasp. And what is left in our hands at the end? A shadow. Or worse than a shadow - misery.”