What is the meaning of it, Watson? said Holmes solemnly as he laid down the paper. "What object is served by this circle of misery and violence and fear? It must tend to some end, or else our universe is ruled by chance, which is unthinkable. But what end? There is the great standing perennial problem to which human reason is as far from an answer as ever.

I'm not a psychopath, I'm a fully functioning sociopath. Do your research.

Come, Watson, come!" he cried. The game is afoot.

As I turned away, I saw Holmes, with his back against a rock and his arms folded, gazing down at the rush of the waters. It was the last that I was ever destined to see of him in this world. - Watson.

Keep your revolver near you night and day, and never relax your precautions.

Education never ends, Watson. It is a series of lessons, with the greatest for the last.

If in 100 years I am only known as the man who invented Sherlock Holmes then I will have considered my life a failure.